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-rw-r--r--include/local-def.h112
-rw-r--r--include/proto-def.h7
-rw-r--r--plugins/media/media-api.c2
-rw-r--r--plugins/radio/radio-api.c12
-rw-r--r--plugins/samples/ClientCtx.c21
-rw-r--r--plugins/samples/HelloWorld.c2
-rw-r--r--plugins/samples/SamplePost.c1
-rw-r--r--plugins/session/token-api.c5
-rw-r--r--src/CMakeLists.txt4
-rw-r--r--src/afb-api.c634
-rw-r--r--src/afb-apis.c (renamed from src/afb-plugins.c)140
-rw-r--r--src/afb-apis.h (renamed from src/afb-plugins.h)19
-rw-r--r--src/afb-hreq.c2
-rw-r--r--src/afb-req-itf.h3
-rw-r--r--src/afb-rest-api.c617
-rw-r--r--src/afb-websock.c4
-rw-r--r--src/main.c39
-rw-r--r--src/session.c40
18 files changed, 871 insertions, 793 deletions
diff --git a/include/local-def.h b/include/local-def.h
index 280ab0bb..ace9249a 100644
--- a/include/local-def.h
+++ b/include/local-def.h
@@ -75,9 +75,6 @@
extern int verbose; // this is the only global variable
-// Plugin Type
-typedef enum {AFB_PLUGIN_JSON=123456789, AFB_PLUGIN_JSCRIPT=987654321, AFB_PLUGIN_RAW=987123546} AFB_pluginE;
-
// prebuild json error are constructed in helper-api.c
typedef enum { AFB_FALSE, AFB_TRUE, AFB_FATAL, AFB_FAIL, AFB_WARNING, AFB_EMPTY, AFB_SUCCESS, AFB_DONE, AFB_UNAUTH} AFB_error;
@@ -85,12 +82,74 @@ typedef enum { AFB_FALSE, AFB_TRUE, AFB_FATAL, AFB_FAIL, AFB_WARNING, AFB_EMPTY
#define CTX_NBCLIENTS 10 // allow a default of 10 authenticated clients
+
+
+
+
+
+
+// Plugin Type
+enum AFB_pluginE
+{
+ AFB_PLUGIN_JSON = 123456789,
+ AFB_PLUGIN_JSCRIPT = 987654321,
+ AFB_PLUGIN_RAW = 987123546
+};
+
+// Enum for Session/Token/Authentication middleware
+enum AFB_sessionE
+{
+ AFB_SESSION_NONE,
+ AFB_SESSION_CREATE,
+ AFB_SESSION_CLOSE,
+ AFB_SESSION_RENEW,
+ AFB_SESSION_CHECK
+};
+
+// API definition
+struct AFB_restapi
+{
+ const char *name;
+ enum AFB_sessionE session;
+ json_object* (*callback)();
+ const char *info;
+};
+
+// Plugin definition
+struct AFB_plugin
+{
+ enum AFB_pluginE type;
+ const char *info;
+ const char *prefix;
+ const struct AFB_restapi *apis;
+ void (*freeCtxCB)(void*); // callback to free application context [null for standard free]
+};
+
+typedef enum AFB_pluginE AFB_pluginE;
+typedef enum AFB_sessionE AFB_sessionE;
typedef json_object* (*AFB_apiCB)();
-typedef void (*AFB_freeCtxCB)(void*, void*, char*);
+typedef void (*AFB_freeCtxCB)(void*);
+typedef struct AFB_restapi AFB_restapi;
+typedef struct AFB_plugin AFB_plugin;
+
+
+
+
+
+
+
+
+
+
+
+
+
typedef enum {AFB_POST_NONE=0, AFB_POST_JSON, AFB_POST_FORM, AFB_POST_EMPTY} AFB_PostType;
typedef enum {AFB_MODE_LOCAL=0, AFB_MODE_REMOTE, AFB_MODE_GLOBAL} AFB_Mode;
+
+
// Post Upload File Handle
typedef struct {
int fd;
@@ -143,31 +202,6 @@ typedef struct {
size_t len;
} AFB_redirect_msg;
-// Enum for Session/Token/Authentication middleware
-typedef enum {AFB_SESSION_NONE, AFB_SESSION_CREATE, AFB_SESSION_CLOSE, AFB_SESSION_RENEW, AFB_SESSION_CHECK} AFB_sessionE;
-
-// API definition
-typedef struct {
- char *name;
- AFB_sessionE session;
- AFB_apiCB callback;
- char *info;
-} AFB_restapi;
-
-// Plugin definition
-typedef struct {
- AFB_pluginE type;
- char *info;
- char *prefix;
- size_t prefixlen;
- json_object *jtype;
- AFB_restapi *apis;
- void *handle;
- int ctxCount;
- AFB_freeCtxCB freeCtxCB; // callback to free application context [null for standard free]
-} AFB_plugin;
-
-
// User Client Session Context
typedef struct {
char uuid[37]; // long term authentication of remote client
@@ -175,11 +209,11 @@ typedef struct {
time_t timeStamp; // last time token was refresh
int restfull; // client does not use cookie
void **contexts; // application specific context [one per plugin]]
- AFB_plugin **plugins; // we need plugins reference to cleanup session outside of call context
} AFB_clientCtx;
// main config structure
-typedef struct {
+struct AFB_config
+{
char *console; // console device name (can be a file or a tty)
int httpdPort;
char *ldpaths; // list of plugins directories
@@ -191,10 +225,9 @@ typedef struct {
int cacheTimeout;
int apiTimeout;
int cntxTimeout; // Client Session Context timeout
- int pluginCount; // loaded plugins count
AFB_Mode mode; // mode of listening
AFB_aliasdir *aliasdir; // alias mapping for icons,apps,...
-} AFB_config;
+};
// MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "value");
typedef struct {
@@ -205,20 +238,18 @@ typedef struct {
AFB_PostRequest *post;
json_object *jresp;
void *context; // Hold Client Context when using session
- void *handle; // provide callback and easy access to plugin
int restfull; // request is resfull [uuid token provided]
int errcode; // http error code
sigjmp_buf checkPluginCall; // context save for timeout set/longjmp
- AFB_config *config; // plugin may need access to config
+ struct AFB_config *config; // plugin may need access to config
struct MHD_Connection *connection;
- AFB_plugin **plugins;
} AFB_request;
struct afb_hsrv_handler;
struct MHD_Daemon;
-typedef struct {
- AFB_config *config; // pointer to current config
+struct AFB_session {
+ struct AFB_config *config; // pointer to current config
// List of commands to execute
int background; // run in backround mode
int foreground; // run in forground mode
@@ -226,12 +257,13 @@ typedef struct {
struct MHD_Daemon *httpd; // structure for httpd handler
int fakemod; // respond to GET/POST request without interacting with sndboard
int readyfd; // a #fd to signal when ready to serve
- AFB_plugin **plugins; // pointer to REST/API plugins
magic_t magic; // Mime type file magic lib
struct afb_hsrv_handler *handlers;
-} AFB_session;
+};
+typedef struct AFB_config AFB_config;
+typedef struct AFB_session AFB_session;
#include "proto-def.h"
diff --git a/include/proto-def.h b/include/proto-def.h
index e96b0229..87bc63b0 100644
--- a/include/proto-def.h
+++ b/include/proto-def.h
@@ -39,13 +39,6 @@ extern int doRestApi(struct MHD_Connection *connection, AFB_session *session, co
, const char *upload_data, size_t *upload_data_size, void **con_cls);
// Session handling
-#if defined(ALLOWS_SESSION_FILES)
-extern AFB_error sessionCheckdir (AFB_session *session);
-extern json_object *sessionList (AFB_session *session, AFB_request *request);
-extern json_object *sessionToDisk (AFB_session *session, AFB_request *request, char *name,json_object *jsonSession);
-extern json_object *sessionFromDisk (AFB_session *session, AFB_request *request, char *name);
-#endif
-
extern AFB_error ctxTokenRefresh (AFB_clientCtx *clientCtx, AFB_request *request);
extern AFB_error ctxTokenCreate (AFB_clientCtx *clientCtx, AFB_request *request);
extern AFB_error ctxTokenCheck (AFB_clientCtx *clientCtx, AFB_request *request);
diff --git a/plugins/media/media-api.c b/plugins/media/media-api.c
index 92e195a9..4e064bc2 100644
--- a/plugins/media/media-api.c
+++ b/plugins/media/media-api.c
@@ -33,7 +33,7 @@ STATIC mediaCtxHandleT* initMediaCtx () {
}
/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC void freeMedia (void *context, void *handle) {
+STATIC void freeMedia (void *context) {
free (context);
}
diff --git a/plugins/radio/radio-api.c b/plugins/radio/radio-api.c
index ea17eb51..bdb1768f 100644
--- a/plugins/radio/radio-api.c
+++ b/plugins/radio/radio-api.c
@@ -26,6 +26,8 @@
/* ------ LOCAL HELPER FUNCTIONS --------- */
+static pluginHandleT *the_radio = NULL;
+
/* detect new radio devices */
STATIC void updateRadioDevList(pluginHandleT *handle) {
@@ -116,9 +118,9 @@ STATIC AFB_error releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
}
/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC void freeRadio (void *context, void *handle) {
+STATIC void freeRadio (void *context) {
- releaseRadio (handle, context);
+ releaseRadio (the_radio, context);
free (context);
}
@@ -140,7 +142,7 @@ STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */
STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CHECK */
- pluginHandleT *handle = (pluginHandleT*)request->handle;
+ pluginHandleT *handle = the_radio;
radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp;
@@ -325,8 +327,8 @@ PUBLIC AFB_plugin* pluginRegister () {
plugin->prefix = "radio";
plugin->apis = pluginApis;
- plugin->handle = initRadioPlugin();
plugin->freeCtxCB = (AFB_freeCtxCB)freeRadio;
- return (plugin);
+ radio = initRadioPlugin();
+ return plugin;
};
diff --git a/plugins/samples/ClientCtx.c b/plugins/samples/ClientCtx.c
index b2479f50..b59400e1 100644
--- a/plugins/samples/ClientCtx.c
+++ b/plugins/samples/ClientCtx.c
@@ -56,7 +56,9 @@ typedef struct {
} MyClientContextT;
-
+// Plugin handle should not be in stack (malloc or static)
+STATIC MyPluginHandleT global_handle;
+
// This function is call at session open time. Any client trying to
// call it with an already open session will be denied.
// Ex: http://localhost:1234/api/context/create?token=123456789
@@ -64,7 +66,7 @@ STATIC json_object* myCreate (AFB_request *request) {
json_object *jresp;
MyClientContextT *ctx= malloc (sizeof (MyClientContextT));
- MyPluginHandleT *handle = (MyPluginHandleT*) request->handle;
+ MyPluginHandleT *handle = (MyPluginHandleT*) &global_handle;
// store something in our plugin private client context
ctx->count = 0;
@@ -82,7 +84,7 @@ STATIC json_object* myCreate (AFB_request *request) {
// ex: http://localhost:1234/api/context/action?token=xxxxxx-xxxxxx-xxxxx-xxxxx-xxxxxx
STATIC json_object* myAction (AFB_request *request) {
json_object* jresp;
- MyPluginHandleT *handle = (MyPluginHandleT*) request->handle;
+ MyPluginHandleT *handle = (MyPluginHandleT*) &global_handle;
MyClientContextT *ctx= (MyClientContextT*) request->context;
// store something in our plugin private client context
@@ -98,7 +100,7 @@ STATIC json_object* myAction (AFB_request *request) {
// ex: http://localhost:1234/api/context/close?token=xxxxxx-xxxxxx-xxxxx-xxxxx-xxxxxx
STATIC json_object* myClose (AFB_request *request) {
json_object* jresp;
- MyPluginHandleT *handle = (MyPluginHandleT*) request->handle;
+ MyPluginHandleT *handle = (MyPluginHandleT*) &global_handle;
MyClientContextT *ctx= (MyClientContextT*) request->context;
// store something in our plugin private client context
@@ -109,8 +111,9 @@ STATIC json_object* myClose (AFB_request *request) {
return jresp;
}
-STATIC void freeCtxCB (MyClientContextT *ctx, MyPluginHandleT *handle, char *uuid) {
- fprintf (stderr, "FreeCtxCB uuid=[%s] Plugin=[%s] count=[%d]", uuid, (char*)handle->anythingYouWant, ctx->count);
+STATIC void freeCtxCB (MyClientContextT *ctx) {
+ MyPluginHandleT *handle = (MyPluginHandleT*) &global_handle;
+ fprintf (stderr, "FreeCtxCB Plugin=[%s] count=[%d]", (char*)handle->anythingYouWant, ctx->count);
free (ctx);
// Note: handle should be free it is a static resource attached to plugin and not to session
@@ -127,19 +130,15 @@ STATIC AFB_restapi pluginApis[]= {
PUBLIC AFB_plugin *pluginRegister () {
- // Plugin handle should not be in stack (malloc or static)
- STATIC MyPluginHandleT handle;
-
AFB_plugin *plugin = malloc (sizeof (AFB_plugin));
plugin->type = AFB_PLUGIN_JSON;
plugin->info = "Sample of Client Context Usage";
plugin->prefix = "context";
plugin->apis = pluginApis;
- plugin->handle = &handle;
plugin->freeCtxCB= (AFB_freeCtxCB) freeCtxCB;
// feed plugin handle before returning from registration
- handle.anythingYouWant = "My Plugin Handle";
+ global_handle.anythingYouWant = "My Plugin Handle";
return (plugin);
};
diff --git a/plugins/samples/HelloWorld.c b/plugins/samples/HelloWorld.c
index 05bec957..067365dd 100644
--- a/plugins/samples/HelloWorld.c
+++ b/plugins/samples/HelloWorld.c
@@ -30,7 +30,7 @@ STATIC json_object* pingSample (AFB_request *request) {
if (len == 0) strcpy (query,"NoSearchQueryList");
// check if we have some post data
- if (request->post == NULL) request->post->data="NoData";
+ if (request->post != NULL) request->post->data="NoData";
// return response to caller
response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon %d query={%s} PostData: \'%s\' ", pingcount++, query, request->post);
diff --git a/plugins/samples/SamplePost.c b/plugins/samples/SamplePost.c
index 22acd095..d29fb05a 100644
--- a/plugins/samples/SamplePost.c
+++ b/plugins/samples/SamplePost.c
@@ -123,7 +123,6 @@ PUBLIC AFB_plugin *pluginRegister () {
plugin->info = "Sample with Post Upload Files";
plugin->prefix= "post"; // url base
plugin->apis = pluginApis;
- plugin->handle= (void*) "What ever you want";
return (plugin);
};
diff --git a/plugins/session/token-api.c b/plugins/session/token-api.c
index 7073dac0..9a078328 100644
--- a/plugins/session/token-api.c
+++ b/plugins/session/token-api.c
@@ -91,8 +91,8 @@ STATIC json_object* clientGetPing (AFB_request *request) {
// This function is call when Client Session Context is removed
// Note: when freeCtxCB==NULL standard free/malloc is called
-STATIC void clientContextFree(void *context, char* uuid) {
- fprintf (stderr,"Plugin[token] Closing Session uuid=[%s]\n", uuid);
+STATIC void clientContextFree(void *context) {
+ fprintf (stderr,"Plugin[token] Closing Session\n");
free (context);
}
@@ -111,7 +111,6 @@ PUBLIC AFB_plugin *pluginRegister () {
plugin->info = "Application Framework Binder Service";
plugin->prefix= "token"; // url base
plugin->apis = pluginApis;
- plugin->handle= (void*) "What ever you want";
plugin->freeCtxCB= (void*) clientContextFree;
return (plugin);
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6eeb431d..03878dc2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,8 +3,8 @@ ADD_LIBRARY(src OBJECT
main.c
session.c
http-svc.c
- afb-api.c
- afb-plugins.c
+ afb-rest-api.c
+ afb-apis.c
afb-method.c
afb-hreq.c
afb-websock.c
diff --git a/src/afb-api.c b/src/afb-api.c
deleted file mode 100644
index a3ff07fd..00000000
--- a/src/afb-api.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/*
- * Copyright (C) 2016 "IoT.bzh"
- * Author "Fulup Ar Foll"
- * Author José Bollo <jose.bollo@iot.bzh>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Contain all generic part to handle REST/API
- *
- * https://www.gnu.org/software/libmicrohttpd/tutorial.html [search 'largepost.c']
- */
-
-#define _GNU_SOURCE
-
-#include "../include/local-def.h"
-
-#include <dirent.h>
-#include <dlfcn.h>
-#include <setjmp.h>
-#include <signal.h>
-
-#define AFB_MSG_JTYPE "AJB_reply"
-
-#define JSON_CONTENT "application/json"
-#define FORM_CONTENT "multipart/form-data" /* TODO: replace with MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA */
-
-static json_object *afbJsonType;
-
-// Because of POST call multiple time requestApi we need to free POST handle here
-// Note this method is called from http-svc just before closing session
-PUBLIC void endPostRequest(AFB_PostHandle * postHandle)
-{
-
- if (postHandle->type == AFB_POST_JSON) {
- // if (verbose) fprintf(stderr, "End PostJson Request UID=%d\n", postHandle->uid);
- }
-
- if (postHandle->type == AFB_POST_FORM) {
- if (verbose)
- fprintf(stderr, "End PostForm Request UID=%d\n", postHandle->uid);
- }
- if (postHandle->privatebuf)
- free(postHandle->privatebuf);
- free(postHandle);
-}
-
-// Check of apiurl is declare in this plugin and call it
-STATIC AFB_error callPluginApi(AFB_request * request, int plugidx, void *context)
-{
- json_object *jresp, *jcall, *jreqt;
- int idx, status, sig;
- AFB_clientCtx *clientCtx = NULL;
- AFB_plugin *plugin = request->plugins[plugidx];
- int signals[] = { SIGALRM, SIGSEGV, SIGFPE, 0 };
-
- /*---------------------------------------------------------------
- | Signal handler defined inside CallPluginApi to access Request
- +---------------------------------------------------------------- */
- void pluginError(int signum) {
- sigset_t sigset;
-
- // unlock signal to allow a new signal to come
- sigemptyset(&sigset);
- sigaddset(&sigset, signum);
- sigprocmask(SIG_UNBLOCK, &sigset, 0);
-
- fprintf(stderr, "Oops: Plugin Api Timeout timeout\n");
- longjmp(request->checkPluginCall, signum);
- }
-
- // If a plugin hold this urlpath call its callback
- for (idx = 0; plugin->apis[idx].callback != NULL; idx++) {
- if (!strcmp(plugin->apis[idx].name, request->api)) {
-
- // Request was found and at least partially executed
- jreqt = json_object_new_object();
- json_object_get(afbJsonType); // increate jsontype reference count
- json_object_object_add(jreqt, "jtype", afbJsonType);
-
- // prepare an object to store calling values
- jcall = json_object_new_object();
- json_object_object_add(jcall, "prefix", json_object_new_string(plugin->prefix));
- json_object_object_add(jcall, "api", json_object_new_string(plugin->apis[idx].name));
-
- // save context before calling the API
- status = setjmp(request->checkPluginCall);
- if (status != 0) {
-
- // Plugin aborted somewhere during its execution
- json_object_object_add(jcall, "status", json_object_new_string("abort"));
- json_object_object_add(jcall, "info", json_object_new_string("Plugin broke during execution"));
- json_object_object_add(jreqt, "request", jcall);
-
- } else {
-
- // If timeout protection==0 we are in debug and we do not apply signal protection
- if (request->config->apiTimeout > 0) {
- for (sig = 0; signals[sig] != 0; sig++) {
- if (signal(signals[sig], pluginError) == SIG_ERR) {
- request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY;
- json_object_object_add(jcall, "status", json_object_new_string("fail"));
- json_object_object_add(jcall, "info", json_object_new_string("Setting Timeout Handler Failed"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- }
- }
- // Trigger a timer to protect from unacceptable long time execution
- alarm((unsigned)request->config->apiTimeout);
- }
- // Out of SessionNone every call get a client context session
- if (AFB_SESSION_NONE != plugin->apis[idx].session) {
-
- // add client context to request
- clientCtx = ctxClientGet(request, plugidx);
- if (clientCtx == NULL) {
- request->errcode = MHD_HTTP_INSUFFICIENT_STORAGE;
- json_object_object_add(jcall, "status", json_object_new_string("fail"));
- json_object_object_add(jcall, "info", json_object_new_string("Client Session Context Full !!!"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- };
-
- if (verbose)
- fprintf(stderr, "Plugin=[%s] Api=[%s] Middleware=[%d] Client=[%p] Uuid=[%s] Token=[%s]\n", request->prefix, request->api, plugin->apis[idx].session, clientCtx, clientCtx->uuid, clientCtx->token);
-
- switch (plugin->apis[idx].session) {
-
- case AFB_SESSION_CREATE:
- if (clientCtx->token[0] != '\0' && request->config->token[0] != '\0') {
- request->errcode = MHD_HTTP_UNAUTHORIZED;
- json_object_object_add(jcall, "status", json_object_new_string("exist"));
- json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CREATE Session already exist"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- }
-
- if (AFB_SUCCESS != ctxTokenCreate(clientCtx, request)) {
- request->errcode = MHD_HTTP_UNAUTHORIZED;
- json_object_object_add(jcall, "status", json_object_new_string("fail"));
- json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CREATE Invalid Initial Token"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- } else {
- json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
- json_object_object_add(jcall, "token", json_object_new_string(clientCtx->token));
- json_object_object_add(jcall, "timeout", json_object_new_int(request->config->cntxTimeout));
- }
- break;
-
- case AFB_SESSION_RENEW:
- if (AFB_SUCCESS != ctxTokenRefresh(clientCtx, request)) {
- request->errcode = MHD_HTTP_UNAUTHORIZED;
- json_object_object_add(jcall, "status", json_object_new_string("fail"));
- json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_REFRESH Broken Exchange Token Chain"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- } else {
- json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
- json_object_object_add(jcall, "token", json_object_new_string(clientCtx->token));
- json_object_object_add(jcall, "timeout", json_object_new_int(request->config->cntxTimeout));
- }
- break;
-
- case AFB_SESSION_CLOSE:
- if (AFB_SUCCESS != ctxTokenCheck(clientCtx, request)) {
- request->errcode = MHD_HTTP_UNAUTHORIZED;
- json_object_object_add(jcall, "status", json_object_new_string("empty"));
- json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CLOSE Not a Valid Access Token"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- } else {
- json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
- }
- break;
-
- case AFB_SESSION_CHECK:
- default:
- // default action is check
- if (AFB_SUCCESS != ctxTokenCheck(clientCtx, request)) {
- request->errcode = MHD_HTTP_UNAUTHORIZED;
- json_object_object_add(jcall, "status", json_object_new_string("fail"));
- json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CHECK Invalid Active Token"));
- json_object_object_add(jreqt, "request", jcall);
- goto ExitOnDone;
- }
- break;
- }
- }
- // Effectively CALL PLUGIN API with a subset of the context
- jresp = plugin->apis[idx].callback(request, context);
-
- // Store context in case it was updated by plugins
- if (request->context != NULL)
- clientCtx->contexts[plugidx] = request->context;
-
- // handle intermediary Post Iterates out of band
- if ((jresp == NULL)
- && (request->errcode == MHD_HTTP_OK))
- return (AFB_SUCCESS);
-
- // Session close is done after the API call so API can still use session in closing API
- if (AFB_SESSION_CLOSE == plugin->apis[idx].session)
- ctxTokenReset(clientCtx, request);
-
- // API should return NULL of a valid Json Object
- if (jresp == NULL) {
- json_object_object_add(jcall, "status", json_object_new_string("null"));
- json_object_object_add(jreqt, "request", jcall);
- request->errcode = MHD_HTTP_NO_RESPONSE;
-
- } else {
- json_object_object_add(jcall, "status", json_object_new_string("processed"));
- json_object_object_add(jreqt, "request", jcall);
- json_object_object_add(jreqt, "response", jresp);
- }
- // cancel timeout and plugin signal handle before next call
- if (request->config->apiTimeout > 0) {
- alarm(0);
- for (sig = 0; signals[sig] != 0; sig++) {
- signal(signals[sig], SIG_DFL);
- }
- }
- }
- goto ExitOnDone;
- }
- }
- return (AFB_FAIL);
-
- ExitOnDone:
- request->jresp = jreqt;
- return (AFB_DONE);
-}
-
-STATIC AFB_error findAndCallApi(AFB_request * request, void *context)
-{
- int idx;
- AFB_error status;
-
- if (!request->api || !request->prefix)
- return (AFB_FAIL);
-
- // Search for a plugin with this urlpath
- for (idx = 0; request->plugins[idx] != NULL; idx++) {
- if (!strcmp(request->plugins[idx]->prefix, request->prefix)) {
- status = callPluginApi(request, idx, context);
- break;
- }
- }
- // No plugin was found
- if (request->plugins[idx] == NULL) {
- request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s] Url=%s", request->prefix, request->url);
- goto ExitOnError;
- }
- // plugin callback did not return a valid Json Object
- if (status == AFB_FAIL) {
- request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s] url=[%s]", request->api, request->prefix, request->url);
- goto ExitOnError;
- }
- // Everything look OK
- return (status);
-
- ExitOnError:
- request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY;
- return (AFB_FAIL);
-}
-
-// This CB is call for every item with a form post it reformat iterator values
-// and callback Plugin API for each Item within PostForm.
-STATIC int doPostIterate(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *mimetype, const char *encoding, const char *data, uint64_t offset, size_t size)
-{
-
- AFB_error status;
- AFB_PostItem item;
-
- // retrieve API request from Post iterator handle
- AFB_PostHandle *postHandle = (AFB_PostHandle *) cls;
- AFB_request *request = (AFB_request *) postHandle->privatebuf;
- AFB_PostRequest postRequest;
-
- if (verbose)
- fprintf(stderr, "postHandle key=%s filename=%s len=%zu mime=%s\n", key, filename, size, mimetype);
-
- // Create and Item value for Plugin API
- item.kind = kind;
- item.key = key;
- item.filename = filename;
- item.mimetype = mimetype;
- item.encoding = encoding;
- item.len = size;
- item.data = data;
- item.offset = offset;
-
- // Reformat Request to make it somehow similar to GET/PostJson case
- postRequest.data = (char *)postHandle;
- postRequest.len = size;
- postRequest.type = AFB_POST_FORM;;
- request->post = &postRequest;
-
- // effectively call plugin API
- status = findAndCallApi(request, &item);
- // when returning no processing of postform stop
- if (status != AFB_SUCCESS)
- return MHD_NO;
-
- // let's allow iterator to move to next item
- return MHD_YES;
-}
-
-STATIC void freeRequest(AFB_request * request)
-{
-
- free(request->prefix);
- free(request->api);
- free(request);
-}
-
-STATIC AFB_request *createRequest(struct MHD_Connection *connection, AFB_session * session, const char *url)
-{
-
- AFB_request *request;
-
- // Start with a clean request
- request = calloc(1, sizeof(AFB_request));
- char *urlcpy1, *urlcpy2;
- char *baseapi, *baseurl;
-
- // Extract plugin urlpath from request and make two copy because strsep overload copy
- urlcpy1 = urlcpy2 = strdup(url);
- baseurl = strsep(&urlcpy2, "/");
- if (baseurl == NULL) {
- request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url);
- request->errcode = MHD_HTTP_BAD_REQUEST;
- goto Done;
- }
- // let's compute URL and call API
- baseapi = strsep(&urlcpy2, "/");
- if (baseapi == NULL) {
- request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call plugin=[%s] url=[%s]", baseurl, url);
- request->errcode = MHD_HTTP_BAD_REQUEST;
- goto Done;
- }
- // build request structure
- request->connection = connection;
- request->config = session->config;
- request->url = url;
- request->prefix = strdup(baseurl);
- request->api = strdup(baseapi);
- request->plugins = session->plugins;
- // note request->handle is fed with request->context in ctxClientGet
-
- Done:
- free(urlcpy1);
- return (request);
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-static int doRestApiPost(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
-{
-
- static int postcount = 0; // static counter to debug POST protocol
- json_object *errMessage;
- AFB_error status;
- struct MHD_Response *webResponse;
- const char *serialized;
- AFB_request *request = NULL;
- AFB_PostHandle *postHandle;
- AFB_PostRequest postRequest;
- int ret;
-
- // fprintf (stderr, "doRestAPI method=%s posthandle=%p\n", method, con_cls);
-
- // if post data may come in multiple calls
- const char *encoding, *param;
- int contentlen = -1;
- postHandle = *con_cls;
-
- // This is the initial post event let's create form post structure POST data come in multiple events
- if (postHandle == NULL) {
-
- // allocate application POST processor handle to zero
- postHandle = calloc(1, sizeof(AFB_PostHandle));
- postHandle->uid = postcount++; // build a UID for DEBUG
- *con_cls = postHandle; // update context with posthandle
-
- // Let make sure we have the right encoding and a valid length
- encoding = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_TYPE);
-
- // We are facing an empty post let's process it as a get
- if (encoding == NULL) {
- postHandle->type = AFB_POST_EMPTY;
- return MHD_YES;
- }
- // Form post is handle through a PostProcessor and call API once per form key
- if (strcasestr(encoding, FORM_CONTENT) != NULL) {
- if (verbose)
- fprintf(stderr, "Create doPostIterate[uid=%d posthandle=%p]\n", postHandle->uid, postHandle);
-
- request = createRequest(connection, session, url);
- if (request->jresp != NULL)
- goto ProcessApiCall;
- postHandle->type = AFB_POST_FORM;
- postHandle->privatebuf = (void *)request;
- postHandle->pp = MHD_create_post_processor(connection, MAX_POST_SIZE, &doPostIterate, postHandle);
-
- if (NULL == postHandle->pp) {
- fprintf(stderr, "OOPS: Internal error fail to allocate MHD_create_post_processor\n");
- free(postHandle);
- return MHD_NO;
- }
- return MHD_YES;
- }
- // POST json is store into a buffer and present in one piece to API
- if (strcasestr(encoding, JSON_CONTENT) != NULL) {
-
- param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH);
- if (param)
- sscanf(param, "%i", &contentlen);
-
- // Because PostJson are build in RAM size is constrained
- if (contentlen > MAX_POST_SIZE) {
- errMessage = jsonNewMessage(AFB_FATAL, "Post Date to big %d > %d", contentlen, MAX_POST_SIZE);
- goto ExitOnError;
- }
- // Size is OK, let's allocate a buffer to hold post data
- postHandle->type = AFB_POST_JSON;
- postHandle->privatebuf = malloc((unsigned)contentlen + 1); // allocate memory for full POST data + 1 for '\0' enf of string
-
- // if (verbose) fprintf(stderr, "Create PostJson[uid=%d] Size=%d\n", postHandle->uid, contentlen);
- return MHD_YES;
-
- } else {
- // We only support Json and Form Post format
- errMessage = jsonNewMessage(AFB_FATAL, "Post Date wrong type encoding=%s != %s", encoding, JSON_CONTENT);
- goto ExitOnError;
- }
- }
- // This time we receive partial/all Post data. Note that even if we get all POST data. We should nevertheless
- // return MHD_YES and not process the request directly. Otherwise Libmicrohttpd is unhappy and fails with
- // 'Internal application error, closing connection'.
- if (*upload_data_size) {
-
- if (postHandle->type == AFB_POST_FORM) {
- // if (verbose) fprintf(stderr, "Processing PostForm[uid=%d]\n", postHandle->uid);
- MHD_post_process(postHandle->pp, upload_data, *upload_data_size);
- }
- // Process JsonPost request when buffer is completed let's call API
- if (postHandle->type == AFB_POST_JSON) {
- // if (verbose) fprintf(stderr, "Updating PostJson[uid=%d]\n", postHandle->uid);
- memcpy(&postHandle->privatebuf[postHandle->len], upload_data, *upload_data_size);
- postHandle->len = postHandle->len + *upload_data_size;
- }
-
- *upload_data_size = 0;
- return MHD_YES;
-
- } else { // we have finish with Post reception let's finish the work
-
- // Create a request structure to finalise the request
- request = createRequest(connection, session, url);
- if (request->jresp != NULL) {
- errMessage = request->jresp;
- goto ExitOnError;
- }
- postRequest.type = postHandle->type;
-
- // Postform add application context handle to request
- if (postHandle->type == AFB_POST_FORM) {
- postRequest.data = (char *)postHandle;
- request->post = &postRequest;
- }
-
- if (postHandle->type == AFB_POST_JSON) {
- // if (verbose) fprintf(stderr, "Processing PostJson[uid=%d]\n", postHandle->uid);
-
- param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH);
- if (param)
- sscanf(param, "%i", &contentlen);
-
- // At this level we're may verify that we got everything and process DATA
- if (postHandle->len != contentlen) {
- errMessage = jsonNewMessage(AFB_FATAL, "Post Data Incomplete UID=%d Len %d != %d", postHandle->uid, contentlen, postHandle->len);
- goto ExitOnError;
- }
- // Before processing data, make sure buffer string is properly ended
- postHandle->privatebuf[postHandle->len] = '\0';
- postRequest.data = postHandle->privatebuf;
- request->post = &postRequest;
-
- // if (verbose) fprintf(stderr, "Close Post[%d] Buffer=%s\n", postHandle->uid, request->post->data);
- }
- }
-
- ProcessApiCall:
- // Request is ready let's call API without any extra handle
- status = findAndCallApi(request, NULL);
-
- serialized = json_object_to_json_string(request->jresp);
- webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
-
- // client did not pass token on URI let's use cookies
- if ((!request->restfull) && (request->context != NULL)) {
- char cookie[256];
- snprintf(cookie, sizeof(cookie), "%s-%d=%s; Path=%s; Max-Age=%d; HttpOnly", COOKIE_NAME, request->config->httpdPort, request->uuid, request->config->rootapi, request->config->cntxTimeout);
- MHD_add_response_header(webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie);
- }
- // if requested add an error status
- if (request->errcode != 0)
- ret = MHD_queue_response(connection, request->errcode, webResponse);
- else
- MHD_queue_response(connection, MHD_HTTP_OK, webResponse);
-
- MHD_destroy_response(webResponse);
- json_object_put(request->jresp); // decrease reference rqtcount to free the json object
- freeRequest(request);
- return MHD_YES;
-
- ExitOnError:
- freeRequest(request);
- serialized = json_object_to_json_string(errMessage);
- webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
- MHD_queue_response(connection, MHD_HTTP_BAD_REQUEST, webResponse);
- MHD_destroy_response(webResponse);
- json_object_put(errMessage); // decrease reference rqtcount to free the json object
- return MHD_YES;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-static int doRestApiGet(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
-{
-
- static int postcount = 0; // static counter to debug POST protocol
- json_object *errMessage;
- AFB_error status;
- struct MHD_Response *webResponse;
- const char *serialized;
- AFB_request *request = NULL;
- AFB_PostHandle *postHandle;
- AFB_PostRequest postRequest;
- int ret;
-
- // fprintf (stderr, "doRestAPI method=%s posthandle=%p\n", method, con_cls);
-
- // if post data may come in multiple calls
- // this is a get we only need a request
- request = createRequest(connection, session, url);
-
- ProcessApiCall:
- // Request is ready let's call API without any extra handle
- status = findAndCallApi(request, NULL);
-
- serialized = json_object_to_json_string(request->jresp);
- webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
-
- // client did not pass token on URI let's use cookies
- if ((!request->restfull) && (request->context != NULL)) {
- char cookie[256];
- snprintf(cookie, sizeof(cookie), "%s-%d=%s; Path=%s; Max-Age=%d; HttpOnly", COOKIE_NAME, request->config->httpdPort, request->uuid, request->config->rootapi, request->config->cntxTimeout);
- MHD_add_response_header(webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie);
- }
- // if requested add an error status
- if (request->errcode != 0)
- ret = MHD_queue_response(connection, request->errcode, webResponse);
- else
- MHD_queue_response(connection, MHD_HTTP_OK, webResponse);
-
- MHD_destroy_response(webResponse);
- json_object_put(request->jresp); // decrease reference rqtcount to free the json object
- freeRequest(request);
- return MHD_YES;
-
- ExitOnError:
- freeRequest(request);
- serialized = json_object_to_json_string(errMessage);
- webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
- MHD_queue_response(connection, MHD_HTTP_BAD_REQUEST, webResponse);
- MHD_destroy_response(webResponse);
- json_object_put(errMessage); // decrease reference rqtcount to free the json object
- return MHD_YES;
-}
-
-int doRestApi(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
-{
- int rc;
-
- if (0 == strcmp(method, MHD_HTTP_METHOD_POST)) {
- rc = doRestApiPost(connection, session, url, method, upload_data, upload_data_size, con_cls);
- } else {
- rc = doRestApiGet(connection, session, url, method, upload_data, upload_data_size, con_cls);
- }
- return rc;
-}
-
diff --git a/src/afb-plugins.c b/src/afb-apis.c
index 1658fc57..3dcad651 100644
--- a/src/afb-plugins.c
+++ b/src/afb-apis.c
@@ -24,6 +24,7 @@
#define _GNU_SOURCE
#include <stdio.h>
+#include <assert.h>
#include <string.h>
#include <dirent.h>
#include <dlfcn.h>
@@ -34,32 +35,76 @@
#include "../include/local-def.h"
-#include "afb-plugins.h"
+#include "afb-apis.h"
+
+struct api_desc {
+ AFB_plugin *plugin; /* descriptor */
+ size_t prefixlen;
+ const char *prefix;
+ void *handle; /* context of dlopen */
+};
+
+static struct api_desc *apis_array = NULL;
+static int apis_count = 0;
static const char plugin_register_function[] = "pluginRegister";
-AFB_plugin *afb_plugins_search(AFB_session *session, const char *prefix, size_t length)
+int afb_apis_count()
+{
+ return apis_count;
+}
+
+void afb_apis_free_context(int apiidx, void *context)
+{
+ void (*cb)(void*);
+
+ assert(0 <= apiidx && apiidx < apis_count);
+ cb = apis_array[apiidx].plugin->freeCtxCB;
+ if (cb)
+ cb(context);
+ else
+ free(context);
+}
+
+const struct AFB_restapi *afb_apis_get(int apiidx, int verbidx)
+{
+ assert(0 <= apiidx && apiidx < apis_count);
+ return &apis_array[apiidx].plugin->apis[verbidx];
+}
+
+int afb_apis_get_verbidx(int apiidx, const char *name)
+{
+ const struct AFB_restapi *apis;
+ int idx;
+
+ assert(0 <= apiidx && apiidx < apis_count);
+ apis = apis_array[apiidx].plugin->apis;
+ for (idx = 0 ; apis[idx].name ; idx++)
+ if (!strcasecmp(apis[idx].name, name))
+ return idx;
+ return -1;
+}
+
+int afb_apis_get_apiidx(const char *prefix, size_t length)
{
- int i, n;
- AFB_plugin **plugins, *p;
+ int i;
+ const struct api_desc *a;
if (!length)
length = strlen(prefix);
- n = session->config->pluginCount;
- plugins = session->plugins;
-
- for (i = 0 ; i < n ; i++) {
- p = plugins[i];
- if (p->prefixlen == length && !strcmp(p->prefix, prefix))
- return p;
+ for (i = 0 ; i < apis_count ; i++) {
+ a = &apis_array[i];
+ if (a->prefixlen == length && !strcasecmp(a->prefix, prefix))
+ return i;
}
- return NULL;
+ return -1;
}
-int afb_plugins_add_plugin(AFB_session *session, const char *path)
+int afb_apis_add_plugin(const char *path)
{
- AFB_plugin *desc, *check, **plugins;
+ struct api_desc *apis;
+ AFB_plugin *plugin;
AFB_plugin *(*pluginRegisterFct) (void);
void *handle;
size_t len;
@@ -81,56 +126,54 @@ int afb_plugins_add_plugin(AFB_session *session, const char *path)
fprintf(stderr, "[%s] is a valid AFB plugin\n", path);
/* allocates enough memory */
- plugins = realloc(session->plugins, ((unsigned)session->config->pluginCount + 2) * sizeof(AFB_plugin*));
- if (plugins == NULL) {
+ apis = realloc(apis_array, ((unsigned)apis_count + 1) * sizeof * apis);
+ if (apis == NULL) {
fprintf(stderr, "ERROR: plugin [%s] memory missing. continuing...\n", path);
goto error2;
}
- session->plugins = plugins;
+ apis_array = apis;
/* init the plugin */
- desc = pluginRegisterFct();
- if (desc == NULL) {
+ plugin = pluginRegisterFct();
+ if (plugin == NULL) {
fprintf(stderr, "ERROR: plugin [%s] register function failed. continuing...\n", path);
goto error2;
}
/* check the returned structure */
- if (desc->type != AFB_PLUGIN_JSON) {
- fprintf(stderr, "ERROR: plugin [%s] invalid type %d...\n", path, desc->type);
+ if (plugin->type != AFB_PLUGIN_JSON) {
+ fprintf(stderr, "ERROR: plugin [%s] invalid type %d...\n", path, plugin->type);
goto error2;
}
- if (desc->prefix == NULL || *desc->prefix == 0) {
+ if (plugin->prefix == NULL || *plugin->prefix == 0) {
fprintf(stderr, "ERROR: plugin [%s] bad prefix...\n", path);
goto error2;
}
- if (desc->info == NULL || *desc->info == 0) {
+ if (plugin->info == NULL || *plugin->info == 0) {
fprintf(stderr, "ERROR: plugin [%s] bad description...\n", path);
goto error2;
}
- if (desc->apis == NULL) {
+ if (plugin->apis == NULL) {
fprintf(stderr, "ERROR: plugin [%s] no APIs...\n", path);
goto error2;
}
/* check previously existing plugin */
- len = strlen(desc->prefix);
- check = afb_plugins_search(session, desc->prefix, len);
- if (check != NULL) {
- fprintf(stderr, "ERROR: plugin [%s] prefix %s duplicated...\n", path, desc->prefix);
+ len = strlen(plugin->prefix);
+ if (afb_apis_get_apiidx(plugin->prefix, len) >= 0) {
+ fprintf(stderr, "ERROR: plugin [%s] prefix %s duplicated...\n", path, plugin->prefix);
goto error2;
}
- /* Prebuild plugin jtype to boost API response */
- desc->jtype = json_object_new_string(desc->prefix);
- desc->prefixlen = len;
-
/* record the plugin */
- session->plugins[session->config->pluginCount] = desc;
- session->plugins[++session->config->pluginCount] = NULL;
-
if (verbose)
- fprintf(stderr, "Loading plugin[%d] prefix=[%s] info=%s\n", session->config->pluginCount, desc->prefix, desc->info);
+ fprintf(stderr, "Loading plugin[%lu] prefix=[%s] info=%s\n", (unsigned long)apis_count, plugin->prefix, plugin->info);
+ apis = &apis_array[apis_count];
+ apis->plugin = plugin;
+ apis->prefixlen = len;
+ apis->prefix = plugin->prefix;
+ apis->handle = handle;
+ apis_count++;
return 0;
@@ -140,7 +183,7 @@ error:
return -1;
}
-static int adddirs(AFB_session * session, char path[PATH_MAX], size_t end)
+static int adddirs(char path[PATH_MAX], size_t end)
{
int rc;
DIR *dir;
@@ -178,19 +221,19 @@ static int adddirs(AFB_session * session, char path[PATH_MAX], size_t end)
if (ent.d_name[1] == '.' && len == 2)
continue;
}
- rc = adddirs(session, path, end+len);;
+ rc = adddirs(path, end+len);;
} else if (ent.d_type == DT_REG) {
/* case of files */
if (!strstr(ent.d_name, ".so"))
continue;
- rc = afb_plugins_add_plugin(session, path);
+ rc = afb_apis_add_plugin(path);
}
}
closedir(dir);
return 0;
}
-int afb_plugins_add_directory(AFB_session * session, const char *path)
+int afb_apis_add_directory(const char *path)
{
size_t length;
char buffer[PATH_MAX];
@@ -202,10 +245,10 @@ int afb_plugins_add_directory(AFB_session * session, const char *path)
}
memcpy(buffer, path, length + 1);
- return adddirs(session, buffer, length);
+ return adddirs(buffer, length);
}
-int afb_plugins_add_path(AFB_session * session, const char *path)
+int afb_apis_add_path(const char *path)
{
struct stat st;
int rc;
@@ -214,13 +257,13 @@ int afb_plugins_add_path(AFB_session * session, const char *path)
if (rc < 0)
fprintf(stderr, "Invalid plugin path [%s]: %m\n", path);
else if (S_ISDIR(st.st_mode))
- rc = afb_plugins_add_directory(session, path);
+ rc = afb_apis_add_directory(path);
else
- rc = afb_plugins_add_plugin(session, path);
+ rc = afb_apis_add_plugin(path);
return rc;
}
-int afb_plugins_add_pathset(AFB_session * session, const char *pathset)
+int afb_apis_add_pathset(const char *pathset)
{
static char sep[] = ":";
char *ps, *p;
@@ -231,12 +274,7 @@ int afb_plugins_add_pathset(AFB_session * session, const char *pathset)
p = strsep(&ps, sep);
if (!p)
return 0;
- rc = afb_plugins_add_path(session, p);
+ rc = afb_apis_add_path(p);
};
}
-void initPlugins(AFB_session * session)
-{
- int rc = afb_plugins_add_pathset(session, session->config->ldpaths);
-}
-
diff --git a/src/afb-plugins.h b/src/afb-apis.h
index c2db2e4c..a37df5d3 100644
--- a/src/afb-plugins.h
+++ b/src/afb-apis.h
@@ -16,15 +16,22 @@
*/
-AFB_plugin *afb_plugins_search(AFB_session *session, const char *prefix, size_t length);
+extern int afb_apis_count();
-int afb_plugins_add_plugin(AFB_session *session, const char *path);
+extern void afb_apis_free_context(int apiidx, void *context);
-int afb_plugins_add_directory(AFB_session * session, const char *path);
+extern const struct AFB_restapi *afb_apis_get(int apiidx, int verbidx);
-int afb_plugins_add_path(AFB_session * session, const char *path);
+extern int afb_apis_get_verbidx(int apiidx, const char *name);
-int afb_plugins_add_pathset(AFB_session * session, const char *pathset);
+extern int afb_apis_get_apiidx(const char *prefix, size_t length);
+
+extern int afb_apis_add_plugin(const char *path);
+
+extern int afb_apis_add_directory(const char *path);
+
+extern int afb_apis_add_path(const char *path);
+
+extern int afb_apis_add_pathset(const char *pathset);
-void initPlugins(AFB_session * session);
diff --git a/src/afb-hreq.c b/src/afb-hreq.c
index 7bee69b3..f7f3bb15 100644
--- a/src/afb-hreq.c
+++ b/src/afb-hreq.c
@@ -75,7 +75,7 @@ int afb_hreq_unprefix(struct afb_hreq *hreq, const char *prefix, size_t length)
{
/* check the prefix ? */
if (length > hreq->lentail || (hreq->tail[length] && hreq->tail[length] != '/')
- || memcmp(prefix, hreq->tail, length))
+ || strncasecmp(prefix, hreq->tail, length))
return 0;
/* removes successives / */
diff --git a/src/afb-req-itf.h b/src/afb-req-itf.h
index e1d9dc84..6fa854c2 100644
--- a/src/afb-req-itf.h
+++ b/src/afb-req-itf.h
@@ -19,6 +19,9 @@
struct afb_req_itf {
const char *(*get_cookie)(void *data, const char *name);
const char *(*get_argument)(void *data, const char *name);
+#if 0
+ int (*set_cookie)(void *data, const char *name, const char *value);
+#endif
};
struct afb_req {
diff --git a/src/afb-rest-api.c b/src/afb-rest-api.c
new file mode 100644
index 00000000..febe19f8
--- /dev/null
+++ b/src/afb-rest-api.c
@@ -0,0 +1,617 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author "Fulup Ar Foll"
+ * Author José Bollo <jose.bollo@iot.bzh>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Contain all generic part to handle REST/API
+ *
+ * https://www.gnu.org/software/libmicrohttpd/tutorial.html [search 'largepost.c']
+ */
+
+#define _GNU_SOURCE
+
+#include "../include/local-def.h"
+
+#include <dirent.h>
+#include <dlfcn.h>
+#include <setjmp.h>
+#include <signal.h>
+
+#include "afb-apis.h"
+
+#define AFB_MSG_JTYPE "AJB_reply"
+
+#define JSON_CONTENT "application/json"
+#define FORM_CONTENT "multipart/form-data" /* TODO: replace with MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA */
+
+static json_object *afbJsonType;
+
+// Because of POST call multiple time requestApi we need to free POST handle here
+// Note this method is called from http-svc just before closing session
+PUBLIC void endPostRequest(AFB_PostHandle * postHandle)
+{
+
+ if (postHandle->type == AFB_POST_JSON) {
+ // if (verbose) fprintf(stderr, "End PostJson Request UID=%d\n", postHandle->uid);
+ }
+
+ if (postHandle->type == AFB_POST_FORM) {
+ if (verbose)
+ fprintf(stderr, "End PostForm Request UID=%d\n", postHandle->uid);
+ }
+ if (postHandle->privatebuf)
+ free(postHandle->privatebuf);
+ free(postHandle);
+}
+
+// Check of apiurl is declare in this plugin and call it
+static AFB_error doCallPluginApi(AFB_request * request, int apiidx, int verbidx, void *context)
+{
+ enum AFB_sessionE session;
+ json_object *jresp, *jcall, *jreqt;
+ AFB_clientCtx *clientCtx = NULL;
+
+ // Request was found and at least partially executed
+ jreqt = json_object_new_object();
+ json_object_get(afbJsonType); // increate jsontype reference count
+ json_object_object_add(jreqt, "jtype", afbJsonType);
+
+ // prepare an object to store calling values
+ jcall = json_object_new_object();
+ json_object_object_add(jcall, "prefix", json_object_new_string(request->prefix));
+ json_object_object_add(jcall, "api", json_object_new_string(request->api));
+
+ // Out of SessionNone every call get a client context session
+ session = afb_apis_get(apiidx, verbidx)->session;
+ if (AFB_SESSION_NONE != session) {
+
+ // add client context to request
+ clientCtx = ctxClientGet(request, apiidx);
+ if (clientCtx == NULL) {
+ request->errcode = MHD_HTTP_INSUFFICIENT_STORAGE;
+ json_object_object_add(jcall, "status", json_object_new_string("fail"));
+ json_object_object_add(jcall, "info", json_object_new_string("Client Session Context Full !!!"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ };
+
+ if (verbose)
+ fprintf(stderr, "Plugin=[%s] Api=[%s] Middleware=[%d] Client=[%p] Uuid=[%s] Token=[%s]\n", request->prefix, request->api, session, clientCtx, clientCtx->uuid, clientCtx->token);
+
+ switch (session) {
+
+ case AFB_SESSION_CREATE:
+ if (clientCtx->token[0] != '\0' && request->config->token[0] != '\0') {
+ request->errcode = MHD_HTTP_UNAUTHORIZED;
+ json_object_object_add(jcall, "status", json_object_new_string("exist"));
+ json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CREATE Session already exist"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ }
+
+ if (AFB_SUCCESS != ctxTokenCreate(clientCtx, request)) {
+ request->errcode = MHD_HTTP_UNAUTHORIZED;
+ json_object_object_add(jcall, "status", json_object_new_string("fail"));
+ json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CREATE Invalid Initial Token"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ } else {
+ json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
+ json_object_object_add(jcall, "token", json_object_new_string(clientCtx->token));
+ json_object_object_add(jcall, "timeout", json_object_new_int(request->config->cntxTimeout));
+ }
+ break;
+
+ case AFB_SESSION_RENEW:
+ if (AFB_SUCCESS != ctxTokenRefresh(clientCtx, request)) {
+ request->errcode = MHD_HTTP_UNAUTHORIZED;
+ json_object_object_add(jcall, "status", json_object_new_string("fail"));
+ json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_REFRESH Broken Exchange Token Chain"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ } else {
+ json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
+ json_object_object_add(jcall, "token", json_object_new_string(clientCtx->token));
+ json_object_object_add(jcall, "timeout", json_object_new_int(request->config->cntxTimeout));
+ }
+ break;
+
+ case AFB_SESSION_CLOSE:
+ if (AFB_SUCCESS != ctxTokenCheck(clientCtx, request)) {
+ request->errcode = MHD_HTTP_UNAUTHORIZED;
+ json_object_object_add(jcall, "status", json_object_new_string("empty"));
+ json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CLOSE Not a Valid Access Token"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ } else {
+ json_object_object_add(jcall, "uuid", json_object_new_string(clientCtx->uuid));
+ }
+ break;
+
+ case AFB_SESSION_CHECK:
+ default:
+ // default action is check
+ if (AFB_SUCCESS != ctxTokenCheck(clientCtx, request)) {
+ request->errcode = MHD_HTTP_UNAUTHORIZED;
+ json_object_object_add(jcall, "status", json_object_new_string("fail"));
+ json_object_object_add(jcall, "info", json_object_new_string("AFB_SESSION_CHECK Invalid Active Token"));
+ json_object_object_add(jreqt, "request", jcall);
+ goto ExitOnDone;
+ }
+ break;
+ }
+ }
+ // Effectively CALL PLUGIN API with a subset of the context
+ jresp = afb_apis_get(apiidx, verbidx)->callback(request, context);
+
+ // Store context in case it was updated by plugins
+ if (request->context != NULL)
+ clientCtx->contexts[apiidx] = request->context;
+
+ // handle intermediary Post Iterates out of band
+ if ((jresp == NULL) && (request->errcode == MHD_HTTP_OK))
+ return AFB_SUCCESS;
+
+ // Session close is done after the API call so API can still use session in closing API
+ if (AFB_SESSION_CLOSE == session)
+ ctxTokenReset(clientCtx, request);
+
+ // API should return NULL of a valid Json Object
+ if (jresp == NULL) {
+ json_object_object_add(jcall, "status", json_object_new_string("null"));
+ json_object_object_add(jreqt, "request", jcall);
+ request->errcode = MHD_HTTP_NO_RESPONSE;
+
+ } else {
+ json_object_object_add(jcall, "status", json_object_new_string("processed"));
+ json_object_object_add(jreqt, "request", jcall);
+ json_object_object_add(jreqt, "response", jresp);
+ }
+
+ExitOnDone:
+ request->jresp = jreqt;
+ return AFB_DONE;
+}
+
+// Check of apiurl is declare in this plugin and call it
+extern __thread sigjmp_buf *error_handler;
+static AFB_error callPluginApi(AFB_request * request, int apiidx, int verbidx, void *context)
+{
+ sigjmp_buf jmpbuf;
+
+ json_object *jcall, *jreqt;
+ int status;
+
+ // save context before calling the API
+ status = setjmp(jmpbuf);
+ if (status != 0) {
+
+ // Request was found and at least partially executed
+ jreqt = json_object_new_object();
+ json_object_get(afbJsonType); // increate jsontype reference count
+ json_object_object_add(jreqt, "jtype", afbJsonType);
+
+ // prepare an object to store calling values
+ jcall = json_object_new_object();
+ json_object_object_add(jcall, "prefix", json_object_new_string(request->prefix));
+ json_object_object_add(jcall, "api", json_object_new_string(request->api));
+
+ // Plugin aborted somewhere during its execution
+ json_object_object_add(jcall, "status", json_object_new_string("abort"));
+ json_object_object_add(jcall, "info", json_object_new_string("Plugin broke during execution"));
+ json_object_object_add(jreqt, "request", jcall);
+ request->jresp = jreqt;
+ goto ExitOnDone;
+
+ } else {
+
+ // Trigger a timer to protect from unacceptable long time execution
+ if (request->config->apiTimeout > 0)
+ alarm((unsigned)request->config->apiTimeout);
+
+ error_handler = &jmpbuf;
+ doCallPluginApi(request, apiidx, verbidx, context);
+ error_handler = NULL;
+
+ // cancel timeout and plugin signal handle before next call
+ alarm(0);
+ }
+
+ExitOnDone:
+ return AFB_DONE;
+}
+
+STATIC AFB_error findAndCallApi(AFB_request * request, void *context)
+{
+ int apiidx, verbidx;
+ AFB_error status;
+
+ if (!request->api || !request->prefix)
+ return AFB_FAIL;
+
+ /* get the plugin if any */
+ apiidx = afb_apis_get_apiidx(request->prefix, 0);
+ if (apiidx < 0) {
+ request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s] Url=%s", request->prefix, request->url);
+ request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY;
+ return AFB_FAIL;
+ }
+
+ /* get the verb if any */
+ verbidx = afb_apis_get_verbidx(apiidx, request->api);
+ if (verbidx < 0) {
+ request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s] url=[%s]", request->api, request->prefix, request->url);
+ request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY;
+ return AFB_FAIL;
+ }
+
+ /* Search for a plugin with this urlpath */
+ status = callPluginApi(request, apiidx, verbidx, context);
+
+ /* plugin callback did not return a valid Json Object */
+ if (status == AFB_FAIL) {
+ request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s] url=[%s]", request->api, request->prefix, request->url);
+ request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY;
+ return AFB_FAIL;
+ }
+ // Everything look OK
+ return status;
+}
+
+// This CB is call for every item with a form post it reformat iterator values
+// and callback Plugin API for each Item within PostForm.
+STATIC int doPostIterate(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *mimetype, const char *encoding, const char *data, uint64_t offset, size_t size)
+{
+
+ AFB_error status;
+ AFB_PostItem item;
+
+ // retrieve API request from Post iterator handle
+ AFB_PostHandle *postHandle = (AFB_PostHandle *) cls;
+ AFB_request *request = (AFB_request *) postHandle->privatebuf;
+ AFB_PostRequest postRequest;
+
+ if (verbose)
+ fprintf(stderr, "postHandle key=%s filename=%s len=%zu mime=%s\n", key, filename, size, mimetype);
+
+ // Create and Item value for Plugin API
+ item.kind = kind;
+ item.key = key;
+ item.filename = filename;
+ item.mimetype = mimetype;
+ item.encoding = encoding;
+ item.len = size;
+ item.data = data;
+ item.offset = offset;
+
+ // Reformat Request to make it somehow similar to GET/PostJson case
+ postRequest.data = (char *)postHandle;
+ postRequest.len = size;
+ postRequest.type = AFB_POST_FORM;;
+ request->post = &postRequest;
+
+ // effectively call plugin API
+ status = findAndCallApi(request, &item);
+ // when returning no processing of postform stop
+ if (status != AFB_SUCCESS)
+ return MHD_NO;
+
+ // let's allow iterator to move to next item
+ return MHD_YES;
+}
+
+STATIC void freeRequest(AFB_request * request)
+{
+
+ free(request->prefix);
+ free(request->api);
+ free(request);
+}
+
+STATIC AFB_request *createRequest(struct MHD_Connection *connection, AFB_session * session, const char *url)
+{
+
+ AFB_request *request;
+
+ // Start with a clean request
+ request = calloc(1, sizeof(AFB_request));
+ char *urlcpy1, *urlcpy2;
+ char *baseapi, *baseurl;
+
+ // Extract plugin urlpath from request and make two copy because strsep overload copy
+ urlcpy1 = urlcpy2 = strdup(url);
+ baseurl = strsep(&urlcpy2, "/");
+ if (baseurl == NULL) {
+ request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url);
+ request->errcode = MHD_HTTP_BAD_REQUEST;
+ goto Done;
+ }
+ // let's compute URL and call API
+ baseapi = strsep(&urlcpy2, "/");
+ if (baseapi == NULL) {
+ request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call plugin=[%s] url=[%s]", baseurl, url);
+ request->errcode = MHD_HTTP_BAD_REQUEST;
+ goto Done;
+ }
+ // build request structure
+ request->connection = connection;
+ request->config = session->config;
+ request->url = url;
+ request->prefix = strdup(baseurl);
+ request->api = strdup(baseapi);
+
+ Done:
+ free(urlcpy1);
+ return (request);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+static int doRestApiPost(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
+{
+
+ static int postcount = 0; // static counter to debug POST protocol
+ json_object *errMessage;
+ AFB_error status;
+ struct MHD_Response *webResponse;
+ const char *serialized;
+ AFB_request *request = NULL;
+ AFB_PostHandle *postHandle;
+ AFB_PostRequest postRequest;
+ int ret;
+
+ // fprintf (stderr, "doRestAPI method=%s posthandle=%p\n", method, con_cls);
+
+ // if post data may come in multiple calls
+ const char *encoding, *param;
+ int contentlen = -1;
+ postHandle = *con_cls;
+
+ // This is the initial post event let's create form post structure POST data come in multiple events
+ if (postHandle == NULL) {
+
+ // allocate application POST processor handle to zero
+ postHandle = calloc(1, sizeof(AFB_PostHandle));
+ postHandle->uid = postcount++; // build a UID for DEBUG
+ *con_cls = postHandle; // update context with posthandle
+
+ // Let make sure we have the right encoding and a valid length
+ encoding = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_TYPE);
+
+ // We are facing an empty post let's process it as a get
+ if (encoding == NULL) {
+ postHandle->type = AFB_POST_EMPTY;
+ return MHD_YES;
+ }
+ // Form post is handle through a PostProcessor and call API once per form key
+ if (strcasestr(encoding, FORM_CONTENT) != NULL) {
+ if (verbose)
+ fprintf(stderr, "Create doPostIterate[uid=%d posthandle=%p]\n", postHandle->uid, postHandle);
+
+ request = createRequest(connection, session, url);
+ if (request->jresp != NULL)
+ goto ProcessApiCall;
+ postHandle->type = AFB_POST_FORM;
+ postHandle->privatebuf = (void *)request;
+ postHandle->pp = MHD_create_post_processor(connection, MAX_POST_SIZE, &doPostIterate, postHandle);
+
+ if (NULL == postHandle->pp) {
+ fprintf(stderr, "OOPS: Internal error fail to allocate MHD_create_post_processor\n");
+ free(postHandle);
+ return MHD_NO;
+ }
+ return MHD_YES;
+ }
+ // POST json is store into a buffer and present in one piece to API
+ if (strcasestr(encoding, JSON_CONTENT) != NULL) {
+
+ param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH);
+ if (param)
+ sscanf(param, "%i", &contentlen);
+
+ // Because PostJson are build in RAM size is constrained
+ if (contentlen > MAX_POST_SIZE) {
+ errMessage = jsonNewMessage(AFB_FATAL, "Post Date to big %d > %d", contentlen, MAX_POST_SIZE);
+ goto ExitOnError;
+ }
+ // Size is OK, let's allocate a buffer to hold post data
+ postHandle->type = AFB_POST_JSON;
+ postHandle->privatebuf = malloc((unsigned)contentlen + 1); // allocate memory for full POST data + 1 for '\0' enf of string
+
+ // if (verbose) fprintf(stderr, "Create PostJson[uid=%d] Size=%d\n", postHandle->uid, contentlen);
+ return MHD_YES;
+
+ } else {
+ // We only support Json and Form Post format
+ errMessage = jsonNewMessage(AFB_FATAL, "Post Date wrong type encoding=%s != %s", encoding, JSON_CONTENT);
+ goto ExitOnError;
+ }
+ }
+
+ // This time we receive partial/all Post data. Note that even if we get all POST data. We should nevertheless
+ // return MHD_YES and not process the request directly. Otherwise Libmicrohttpd is unhappy and fails with
+ // 'Internal application error, closing connection'.
+ if (*upload_data_size) {
+
+ if (postHandle->type == AFB_POST_FORM) {
+ // if (verbose) fprintf(stderr, "Processing PostForm[uid=%d]\n", postHandle->uid);
+ MHD_post_process(postHandle->pp, upload_data, *upload_data_size);
+ }
+ // Process JsonPost request when buffer is completed let's call API
+ if (postHandle->type == AFB_POST_JSON) {
+ // if (verbose) fprintf(stderr, "Updating PostJson[uid=%d]\n", postHandle->uid);
+ memcpy(&postHandle->privatebuf[postHandle->len], upload_data, *upload_data_size);
+ postHandle->len = postHandle->len + *upload_data_size;
+ }
+
+ *upload_data_size = 0;
+ return MHD_YES;
+
+ } else { // we have finish with Post reception let's finish the work
+
+ // Create a request structure to finalise the request
+ request = createRequest(connection, session, url);
+ if (request->jresp != NULL) {
+ errMessage = request->jresp;
+ goto ExitOnError;
+ }
+ postRequest.type = postHandle->type;
+
+ // Postform add application context handle to request
+ if (postHandle->type == AFB_POST_FORM) {
+ postRequest.data = (char *)postHandle;
+ request->post = &postRequest;
+ }
+
+ if (postHandle->type == AFB_POST_JSON) {
+ // if (verbose) fprintf(stderr, "Processing PostJson[uid=%d]\n", postHandle->uid);
+
+ param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH);
+ if (param)
+ sscanf(param, "%i", &contentlen);
+
+ // At this level we're may verify that we got everything and process DATA
+ if (postHandle->len != contentlen) {
+ errMessage = jsonNewMessage(AFB_FATAL, "Post Data Incomplete UID=%d Len %d != %d", postHandle->uid, contentlen, postHandle->len);
+ goto ExitOnError;
+ }
+ // Before processing data, make sure buffer string is properly ended
+ postHandle->privatebuf[postHandle->len] = '\0';
+ postRequest.data = postHandle->privatebuf;
+ request->post = &postRequest;
+
+ // if (verbose) fprintf(stderr, "Close Post[%d] Buffer=%s\n", postHandle->uid, request->post->data);
+ }
+ }
+
+ ProcessApiCall:
+ // Request is ready let's call API without any extra handle
+ status = findAndCallApi(request, NULL);
+
+ serialized = json_object_to_json_string(request->jresp);
+ webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
+
+ // client did not pass token on URI let's use cookies
+ if ((!request->restfull) && (request->context != NULL)) {
+ char cookie[256];
+ snprintf(cookie, sizeof(cookie), "%s-%d=%s; Path=%s; Max-Age=%d; HttpOnly", COOKIE_NAME, request->config->httpdPort, request->uuid, request->config->rootapi, request->config->cntxTimeout);
+ MHD_add_response_header(webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie);
+ }
+ // if requested add an error status
+ if (request->errcode != 0)
+ ret = MHD_queue_response(connection, request->errcode, webResponse);
+ else
+ MHD_queue_response(connection, MHD_HTTP_OK, webResponse);
+
+ MHD_destroy_response(webResponse);
+ json_object_put(request->jresp); // decrease reference rqtcount to free the json object
+ freeRequest(request);
+ return MHD_YES;
+
+ ExitOnError:
+ freeRequest(request);
+ serialized = json_object_to_json_string(errMessage);
+ webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
+ MHD_queue_response(connection, MHD_HTTP_BAD_REQUEST, webResponse);
+ MHD_destroy_response(webResponse);
+ json_object_put(errMessage); // decrease reference rqtcount to free the json object
+ return MHD_YES;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+static int doRestApiGet(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
+{
+ AFB_error status;
+ struct MHD_Response *webResponse;
+ const char *serialized;
+ AFB_request *request = NULL;
+ int ret;
+
+ // fprintf (stderr, "doRestAPI method=%s posthandle=%p\n", method, con_cls);
+
+ // if post data may come in multiple calls
+ // this is a get we only need a request
+ request = createRequest(connection, session, url);
+
+ // Request is ready let's call API without any extra handle
+ status = findAndCallApi(request, NULL);
+
+ serialized = json_object_to_json_string(request->jresp);
+ webResponse = MHD_create_response_from_buffer(strlen(serialized), (void *)serialized, MHD_RESPMEM_MUST_COPY);
+
+ // client did not pass token on URI let's use cookies
+ if ((!request->restfull) && (request->context != NULL)) {
+ char cookie[256];
+ snprintf(cookie, sizeof(cookie), "%s-%d=%s; Path=%s; Max-Age=%d; HttpOnly", COOKIE_NAME, request->config->httpdPort, request->uuid, request->config->rootapi, request->config->cntxTimeout);
+ MHD_add_response_header(webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie);
+ }
+ // if requested add an error status
+ if (request->errcode != 0)
+ ret = MHD_queue_response(connection, request->errcode, webResponse);
+ else
+ MHD_queue_response(connection, MHD_HTTP_OK, webResponse);
+
+ MHD_destroy_response(webResponse);
+ json_object_put(request->jresp); // decrease reference rqtcount to free the json object
+ freeRequest(request);
+ return MHD_YES;
+}
+
+int doRestApi(struct MHD_Connection *connection, AFB_session * session, const char *url, const char *method, const char *upload_data, size_t * upload_data_size, void **con_cls)
+{
+ int rc;
+
+ if (afbJsonType == NULL)
+ afbJsonType = json_object_new_string (AFB_MSG_JTYPE);
+
+ if (0 == strcmp(method, MHD_HTTP_METHOD_POST)) {
+ rc = doRestApiPost(connection, session, url, method, upload_data, upload_data_size, con_cls);
+ } else {
+ rc = doRestApiGet(connection, session, url, method, upload_data, upload_data_size, con_cls);
+ }
+ return rc;
+}
+
diff --git a/src/afb-websock.c b/src/afb-websock.c
index 90148ecf..b6056adc 100644
--- a/src/afb-websock.c
+++ b/src/afb-websock.c
@@ -152,13 +152,11 @@ int afb_websock_check(struct afb_hreq *hreq, int *later)
/* is an upgrade to websocket ? */
upgrade = afb_hreq_get_header(hreq, MHD_HTTP_HEADER_UPGRADE);
-printf("upgrade %s\n", upgrade);
if (upgrade == NULL || strcasecmp(upgrade, websocket_s))
return 0;
/* is a connection for upgrade ? */
connection = afb_hreq_get_header(hreq, MHD_HTTP_HEADER_CONNECTION);
-printf("connection %s\n", connection);
if (connection == NULL || !headerhas (connection, MHD_HTTP_HEADER_UPGRADE))
return 0;
@@ -169,8 +167,6 @@ printf("connection %s\n", connection);
/* has a key and a version ? */
key = afb_hreq_get_header(hreq, sec_websocket_key_s);
version = afb_hreq_get_header(hreq, sec_websocket_version_s);
-printf("key %s\n", key);
-printf("version %s\n", connection);
if (key == NULL || version == NULL)
return 0;
diff --git a/src/main.c b/src/main.c
index 48b5a601..b42f2ab6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,11 +21,12 @@
#include <signal.h>
#include <getopt.h>
#include <pwd.h>
+#include <pthread.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "local-def.h"
-#include "afb-plugins.h"
+#include "afb-apis.h"
#if !defined(PLUGIN_INSTALL_DIR)
#error "you should define PLUGIN_INSTALL_DIR"
@@ -416,6 +417,36 @@ void signalQuit (int signum) {
/*----------------------------------------------------------
+ | Error signals
+ |
+ +--------------------------------------------------------- */
+__thread sigjmp_buf *error_handler;
+static void signalError(int signum)
+{
+ sigset_t sigset;
+
+ // unlock signal to allow a new signal to come
+ sigemptyset(&sigset);
+ sigaddset(&sigset, signum);
+ sigprocmask(SIG_UNBLOCK, &sigset, 0);
+ if (error_handler != NULL) {
+ longjmp(*error_handler, signum);
+ }
+}
+
+static void install_error_handlers()
+{
+ int i, signals[] = { SIGALRM, SIGSEGV, SIGFPE, 0 };
+
+ for (i = 0; signals[i] != 0; i++) {
+ if (signal(signals[i], signalError) == SIG_ERR) {
+ fprintf(stderr, "Signal handler error\n");
+ exit(1);
+ }
+ }
+}
+
+/*----------------------------------------------------------
| listenLoop
| Main listening HTTP loop
+--------------------------------------------------------- */
@@ -514,9 +545,13 @@ int main(int argc, char *argv[]) {
exit (1);
}
- initPlugins(session);
+ if (session->config->ldpaths)
+ afb_apis_add_pathset(session->config->ldpaths);
+
ctxStoreInit(CTX_NBCLIENTS);
+ install_error_handlers();
+
// ------------------ Some useful default values -------------------------
if ((session->background == 0) && (session->foreground == 0)) session->foreground=1;
diff --git a/src/session.c b/src/session.c
index 743f8254..9569b46c 100644
--- a/src/session.c
+++ b/src/session.c
@@ -30,6 +30,7 @@
#include <pthread.h>
#include <search.h>
+#include "afb-apis.h"
// Session UUID are store in a simple array [for 10 sessions this should be enough]
static struct {
@@ -45,22 +46,16 @@ static const char key_token[] = "token";
// Free context [XXXX Should be protected again memory abort XXXX]
static void ctxUuidFreeCB (AFB_clientCtx *client)
{
-
- AFB_plugin **plugins = client->plugins;
- AFB_freeCtxCB freeCtxCB;
- int idx;
+ int idx, cnt;
// If application add a handle let's free it now
if (client->contexts != NULL) {
+ cnt = afb_apis_count();
// Free client handle with a standard Free function, with app callback or ignore it
- for (idx=0; client->plugins[idx] != NULL; idx ++) {
+ for (idx=0; idx < cnt; idx ++) {
if (client->contexts[idx] != NULL) {
- freeCtxCB = client->plugins[idx]->freeCtxCB;
- if (freeCtxCB == NULL)
- free (client->contexts[idx]);
- else if (freeCtxCB != (void*)-1)
- freeCtxCB(client->contexts[idx], plugins[idx]->handle, client->uuid);
+ afb_apis_free_context(idx, client->contexts[idx]);
}
}
}
@@ -150,7 +145,7 @@ static AFB_error ctxStoreAdd (AFB_clientCtx *client)
}
// Check if context timeout or not
-static int ctxStoreToOld (AFB_clientCtx *ctx, int timeout)
+static int ctxStoreTooOld (AFB_clientCtx *ctx, int timeout)
{
int res;
time_t now = time(NULL);
@@ -166,15 +161,15 @@ void ctxStoreGarbage (const int timeout)
// Loop on Sessions Table and remove anything that is older than timeout
for (idx=0; idx < sessions.max; idx++) {
- ctx=sessions.store[idx];
- if ((ctx != NULL) && (ctxStoreToOld(ctx, timeout))) {
+ ctx = sessions.store[idx];
+ if ((ctx != NULL) && (ctxStoreTooOld(ctx, timeout))) {
ctxStoreDel (ctx);
}
}
}
// This function will return exiting client context or newly created client context
-AFB_clientCtx *ctxClientGet (AFB_request *request, int idx)
+AFB_clientCtx *ctxClientGet (AFB_request *request, int apiidx)
{
AFB_clientCtx *clientCtx=NULL;
const char *uuid;
@@ -201,14 +196,13 @@ AFB_clientCtx *ctxClientGet (AFB_request *request, int idx)
clientCtx = ctxStoreSearch (uuid);
if (clientCtx) {
- if (ctxStoreToOld (clientCtx, request->config->cntxTimeout)) {
+ if (ctxStoreTooOld (clientCtx, request->config->cntxTimeout)) {
// this session is too old let's delete it
ctxStoreDel (clientCtx);
clientCtx = NULL;
} else {
- request->context=clientCtx->contexts[idx];
- request->handle = clientCtx->plugins[idx]->handle;
- request->uuid= uuid;
+ request->context = clientCtx->contexts[apiidx];
+ request->uuid = uuid;
return clientCtx;
}
}
@@ -217,8 +211,7 @@ AFB_clientCtx *ctxClientGet (AFB_request *request, int idx)
// we have no session let's create one otherwise let's clean any exiting values
if (clientCtx == NULL) {
clientCtx = calloc(1, sizeof(AFB_clientCtx)); // init NULL clientContext
- clientCtx->contexts = calloc (1, (unsigned)request->config->pluginCount * (sizeof (void*)));
- clientCtx->plugins = request->plugins;
+ clientCtx->contexts = calloc ((unsigned)afb_apis_count(), sizeof (void*));
}
uuid_generate(newuuid); // create a new UUID
@@ -234,9 +227,8 @@ AFB_clientCtx *ctxClientGet (AFB_request *request, int idx)
}
// if (verbose) fprintf (stderr, "ctxClientGet New uuid=[%s] token=[%s] timestamp=%d\n", clientCtx->uuid, clientCtx->token, clientCtx->timeStamp);
- request->context = clientCtx->contexts[idx];
- request->handle = clientCtx->plugins[idx]->handle;
- request->uuid=clientCtx->uuid;
+ request->context = clientCtx->contexts[apiidx];
+ request->uuid = clientCtx->uuid;
return clientCtx;
}
@@ -256,7 +248,7 @@ AFB_error ctxTokenCheck (AFB_clientCtx *clientCtx, AFB_request *request)
return AFB_FALSE;
// compare current token with previous one
- if ((0 == strcmp (token, clientCtx->token)) && (!ctxStoreToOld (clientCtx, request->config->cntxTimeout))) {
+ if ((0 == strcmp (token, clientCtx->token)) && (!ctxStoreTooOld (clientCtx, request->config->cntxTimeout))) {
return AFB_SUCCESS;
}