New tree organization, update CMake req. to 2.8.8.

Use CMake-2.8.8-specific feature to allow building the
daemon from various source directories.

Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>

1 files changed, 194 insertions, 0 deletions

diff --git a/plugins/session/token-api.c b/plugins/session/token-api.c
new file mode 100644
index 00000000..9e1c7660
--- /dev/null
+++ b/plugins/session/token-api.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2015 "IoT.bzh"
+ * Author "Fulup Ar Foll"
+ *
+ * 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/>.
+ */
+
+
+#include "local-def.h"
+
+// Dummy sample of Client Application Context
+typedef struct {
+  int  something;       
+  void *whateveryouwant;
+} MyClientApplicationHandle;
+
+
+// Request Creation of new context if it does not exist
+STATIC json_object* clientContextCreate (AFB_request *request) {
+    json_object *jresp;
+
+    // add an application specific client context to session
+    request->client->ctx = malloc (sizeof (MyClientApplicationHandle));
+    
+    // Send response to UI
+    jresp = json_object_new_object();               
+    json_object_object_add(jresp, "token", json_object_new_string ("A New Token and Session Context Was Created"));
+
+    return (jresp);
+}
+
+// Before entering here token will be check and renew
+STATIC json_object* clientContextRefresh (AFB_request *request) {
+    json_object *jresp;
+
+  
+    jresp = json_object_new_object();
+    json_object_object_add(jresp, "token", json_object_new_string ("Token was refreshed"));              
+    
+    return (jresp);
+}
+
+
+// Session token will we verified before entering here
+STATIC json_object* clientContextCheck (AFB_request *request) {
+    
+    json_object *jresp = json_object_new_object();    
+    json_object_object_add(jresp, "isvalid", json_object_new_boolean (TRUE));       
+        
+    return (jresp); 
+}
+
+
+// Close and Free context
+STATIC json_object* clientContextReset (AFB_request *request) {
+    json_object *jresp;
+   
+    jresp = json_object_new_object();
+    json_object_object_add(jresp, "uuid", json_object_new_string (request->client->uuid));              
+    
+    return (jresp); 
+}
+
+// In this case or handle is quite basic
+typedef struct {
+   int fd; 
+} appPostCtx;
+
+// This function is call when PostForm processing is completed
+STATIC void DonePostForm (AFB_request *request) {
+    AFB_PostHandle  *postHandle = (AFB_PostHandle*)request->post->data;
+    appPostCtx *appCtx= postHandle->ctx;
+    
+    // Close upload file ID
+    close (appCtx->fd);
+
+    // Free application specific handle
+    free (postHandle->ctx);
+    
+    if (verbose) fprintf (stderr, "DonePostForm upload done\n");
+}
+
+
+// WARNING: PostForm callback are call multiple time (one or each key within form)
+// When processing POST_JSON request->data hold a PostHandle and not data directly as for POST_JSON
+STATIC json_object* ProcessPostForm (AFB_request *request, AFB_PostItem *item) {
+
+    AFB_PostHandle  *postHandle;
+    appPostCtx *appCtx;
+    char filepath[512];
+            
+    // When Post is fully processed the same callback is call with a item==NULL
+    if (item == NULL) {
+        // Close file, Free handle
+        
+        request->errcode = MHD_HTTP_OK;
+        return(jsonNewMessage(AFB_SUCCESS,"File [%s] uploaded at [%s] error=\n", item->filename, request->config->sessiondir));  
+    }
+    
+    // Let's make sure this is a valid PostForm request
+    if (!request->post && request->post->type != AFB_POST_FORM) {
+        request->errcode = MHD_HTTP_FORBIDDEN;
+        return(jsonNewMessage(AFB_FAIL,"This is not a valid PostForm request\n"));          
+    } else {
+        // In AFB_POST_FORM case post->data is a PostForm handle
+        postHandle = (AFB_PostHandle*) request->post->data;
+        appCtx = (appPostCtx*) postHandle->ctx;
+    }
+
+    // Check this is a file element
+    if (0 != strcmp (item->key, "file")) {
+        request->errcode = MHD_HTTP_FORBIDDEN;
+        return (jsonNewMessage(AFB_FAIL,"No File within element key=%s\n", item->key));
+    }
+
+    // This is the 1st Item iteration let's open output file and allocate necessary resources
+    if (postHandle->ctx == NULL)  {
+        int fd;
+        
+        strncpy (filepath, request->config->sessiondir, sizeof(filepath));
+        strncat (filepath, "/", sizeof(filepath));
+        strncat (filepath, item->filename, sizeof(filepath));  
+
+        if((fd = open(request->config->sessiondir, O_RDONLY)) < 0) {
+            request->errcode = MHD_HTTP_FORBIDDEN;
+            return (jsonNewMessage(AFB_FAIL,"Fail to Upload file [%s] at [%s] error=\n", item->filename, request->config->sessiondir, strerror(errno)));
+        };            
+
+        // Create an application specific context
+        appCtx = malloc (sizeof(appPostCtx)); // May place anything here until post->completeCB handle resources liberation
+        appCtx->fd = fd;
+        
+        // attach application to postHandle
+        postHandle->ctx = (void*) appCtx;   // May place anything here until post->completeCB handle resources liberation        
+        postHandle->completeCB = (AFB_apiCB)DonePostForm; // CallBack when Form Processing is finished
+        
+    } else {
+        // this is not the call, FD is already open
+        appCtx = (appPostCtx*) postHandle->ctx;
+    }
+
+    // We have something to write
+    if (item->len > 0) {
+        
+        if (!write (appCtx->fd, item->data, item->len)) {
+            request->errcode = MHD_HTTP_FORBIDDEN;
+            return (jsonNewMessage(AFB_FAIL,"Fail to write file [%s] at [%s] error=\n", item->filename, strerror(errno)));
+        }
+    }
+  
+    // every event should return Sucess or Form processing stop
+    request->errcode = MHD_HTTP_OK;
+    return NULL;
+}
+
+// This function is call when Client Session Context is removed
+// Note: when freeCtxCB==NULL standard free/malloc is called
+STATIC void clientContextFree(AFB_clientCtx *client) {
+    fprintf (stderr,"Plugin[%s] Closing Session uuid=[%s]\n", client->plugin->prefix, client->uuid);
+    free (client->ctx);
+}
+
+STATIC  AFB_restapi pluginApis[]= {
+  {"ping"          , AFB_SESSION_NONE  , (AFB_apiCB)apiPingTest         ,"Ping Rest Test Service"},
+  {"token-create"  , AFB_SESSION_CREATE, (AFB_apiCB)clientContextCreate ,"Request Client Context Creation"},
+  {"token-refresh" , AFB_SESSION_RENEW , (AFB_apiCB)clientContextRefresh,"Refresh Client Context Token"},
+  {"token-check"   , AFB_SESSION_CHECK , (AFB_apiCB)clientContextCheck  ,"Check Client Context Token"},
+  {"token-reset"   , AFB_SESSION_CLOSE , (AFB_apiCB)clientContextReset  ,"Close Client Context and Free resources"},
+  {"file-upload"   , AFB_SESSION_NONE  , (AFB_apiCB)ProcessPostForm     ,"Demo for file upload"},
+  {NULL}
+};
+
+PUBLIC AFB_plugin *afsvRegister () {
+    AFB_plugin *plugin = malloc (sizeof (AFB_plugin));
+    plugin->type  = AFB_PLUGIN_JSON; 
+    plugin->info  = "Application Framework Binder Service";
+    plugin->prefix= "afbs";  // url base
+    plugin->apis  = pluginApis;
+    plugin->handle= (void*) "What ever you want";
+    plugin->freeCtxCB= (void*) clientContextFree;
+    
+    return (plugin);
+};
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