1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* 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;
int res;
char *token;
AFB_clientCtx *client=request->client; // get client context from request
// check we do not already have a session
if ((client != NULL) && (client->ctx != NULL)) {
request->errcode=MHD_HTTP_FORBIDDEN;
return (jsonNewMessage(AFB_FAIL, "Token exist use refresh"));
}
// request a new client context token and check result
if (AFB_UNAUTH == ctxTokenCreate (request)) {
request->errcode=MHD_HTTP_UNAUTHORIZED;
jresp= jsonNewMessage(AFB_FAIL, "No/Invalid initial token provided [should match --token=xxxx]");
return (jresp);
}
// request a new client context token and check result
if (AFB_SUCCESS != ctxTokenCreate (request)) {
request->errcode=MHD_HTTP_UNAUTHORIZED;
jresp= jsonNewMessage(AFB_FAIL, "Token Session Not Activated [restart with --token=xxxx]");
return (jresp);
}
// add a client context to session
client->ctx = malloc (sizeof (MyClientApplicationHandle));
// Send response to UI
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string (client->token));
return (jresp);
}
// Renew an existing context
STATIC json_object* clientContextRefresh (AFB_request *request) {
json_object *jresp;
// note: we do not need to parse the old token as clientContextRefresh doit for us
if (AFB_SUCCESS != ctxTokenRefresh (request)) {
request->errcode=MHD_HTTP_UNAUTHORIZED;
jresp= jsonNewMessage(AFB_FAIL, "Token Exchange Broken Refresh Refused");
} else {
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string (request->client->token));
}
return (jresp);
}
// Verify a context is still valid
STATIC json_object* clientContextCheck (AFB_request *request) {
json_object *jresp = json_object_new_object();
// add an error code to respond
if (AFB_SUCCESS != ctxTokenCheck (request)) {
request->errcode=MHD_HTTP_UNAUTHORIZED;
json_object_object_add(jresp, "isvalid", json_object_new_boolean (FALSE));
} else {
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;
// note: we do not need to parse the old token as clientContextRefresh doit for us
if (AFB_SUCCESS != ctxTokenReset (request)) {
request->errcode=MHD_HTTP_UNAUTHORIZED;
jresp= jsonNewMessage(AFB_FAIL, "No Token Client Context [use --token=xxx]");
} else {
jresp = json_object_new_object();
json_object_object_add(jresp, "uuid", json_object_new_string (request->client->uuid));
}
return (jresp);
}
// 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_apiCB)apiPingTest ,"Ping Rest Test Service"},
{"token-create" , (AFB_apiCB)clientContextCreate ,"Request Client Context Creation"},
{"token-refresh" , (AFB_apiCB)clientContextRefresh,"Refresh Client Context Token"},
{"token-check" , (AFB_apiCB)clientContextCheck ,"Check Client Context Token"},
{"token-reset" , (AFB_apiCB)clientContextReset ,"Close Client Context and Free resources"},
{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);
};
|
