#include "../include/local-def.h"
+#include <dirent.h>
+#include <dlfcn.h>
#include <setjmp.h>
#include <signal.h>
#define AFB_MSG_JTYPE "AJB_reply"
-// handle to hold queryAll values
-typedef struct {
- char *msg;
- int idx;
- size_t len;
-} queryHandleT;
static json_object *afbJsonType;
-// Sample Generic Ping Debug API
-PUBLIC json_object* apiPingTest(AFB_request *request) {
- static pingcount = 0;
- json_object *response;
- char query [256];
- char session[256];
-
- int len;
- AFB_clientCtx *client=request->client; // get client context from request
-
- // request all query key/value
- len = getQueryAll (request, query, sizeof(query));
- if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query));
-
- // check if we have some post data
- if (request->post == NULL) request->post->data="NoData";
-
- // check is we have a session and a plugin handle
- if (client == NULL) strcpy (session,"NoSession");
- else snprintf(session, sizeof(session),"uuid=%s token=%s ctx=0x%x handle=0x%x", client->uuid, client->token, client->ctx, client->ctx);
-
- // return response to caller
- response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon count=%d CtxtId=%d query={%s} session={%s} PostData: [%s] "
- , pingcount++, request->client->cid, query, session, request->post->data);
- return (response);
-}
-
-
-// Helper to retrieve argument from connection
-PUBLIC const char* getQueryValue(AFB_request * request, char *name) {
- const char *value;
-
- value = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, name);
- return (value);
-}
-
-STATIC int getQueryCB (void*handle, enum MHD_ValueKind kind, const char *key, const char *value) {
- queryHandleT *query = (queryHandleT*)handle;
-
- query->idx += snprintf (&query->msg[query->idx],query->len," %s: \'%s\',", key, value);
-}
-
-// Helper to retrieve argument from connection
-PUBLIC int getQueryAll(AFB_request * request, char *buffer, size_t len) {
- queryHandleT query;
- buffer[0] = '\0'; // start with an empty string
- query.msg= buffer;
- query.len= len;
- query.idx= 0;
-
- MHD_get_connection_values (request->connection, MHD_GET_ARGUMENT_KIND, getQueryCB, &query);
- return (len);
-}
-
-
-// Helper to retreive POST handle
-PUBLIC AFB_PostHandle* getPostHandle (AFB_request *request) {
- if (request->post == NULL) return (NULL);
- return ((AFB_PostHandle*) request->post->data);
-}
-
// 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) {
}
// Check of apiurl is declare in this plugin and call it
-STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *context) {
+STATIC AFB_error callPluginApi(AFB_request *request, int plugidx, void *context) {
json_object *jresp, *jcall;
int idx, status, sig;
+ AFB_clientCtx *clientCtx;
+ AFB_plugin *plugin = request->plugins[plugidx];
int signals[]= {SIGALRM, SIGSEGV, SIGFPE, 0};
/*---------------------------------------------------------------
+---------------------------------------------------------------- */
void pluginError (int signum) {
sigset_t sigset;
- AFB_clientCtx *context;
-
+
+
// unlock signal to allow a new signal to come
sigemptyset (&sigset);
sigaddset (&sigset, signum);
if (AFB_SESSION_NONE != plugin->apis[idx].session) {
// add client context to request
- if (ctxClientGet(request, plugin) != AFB_SUCCESS) {
+ 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 !!!"));
};
if (verbose) fprintf(stderr, "Plugin=[%s] Api=[%s] Middleware=[%d] Client=[0x%x] Uuid=[%s] Token=[%s]\n"
- , request->plugin, request->api, plugin->apis[idx].session, request->client, request->client->uuid, request->client->token);
+ , request->plugin, request->api, plugin->apis[idx].session, clientCtx, clientCtx->uuid, clientCtx->token);
switch(plugin->apis[idx].session) {
case AFB_SESSION_CREATE:
- if (request->client->token[0] != '\0') {
+ if (clientCtx->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"));
return (AFB_DONE);
}
- if (AFB_SUCCESS != ctxTokenCreate (request)) {
+ 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(request->jresp, "request", jcall);
return (AFB_DONE);
} else {
- json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid));
- json_object_object_add(jcall, "token", json_object_new_string (request->client->token));
+ 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 (request)) {
+ 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(request->jresp, "request", jcall);
return (AFB_DONE);
} else {
- json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid));
- json_object_object_add(jcall, "token", json_object_new_string (request->client->token));
+ 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 (request)) {
+ 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(request->jresp, "request", jcall);
return (AFB_DONE);
} else {
- json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid));
+ 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 (request)) {
+ 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"));
// Effectively call the API with a subset of the context
jresp = plugin->apis[idx].callback(request, context);
- // handle intemediatry Post Iterates out of band
+ // 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 (request);
+ if (AFB_SESSION_CLOSE == plugin->apis[idx].session) ctxTokenReset (clientCtx, request);
// API should return NULL of a valid Json Object
if (jresp == NULL) {
int idx;
AFB_error status;
+ if (!request->api || !request->plugin) 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->plugin)) {
- status =callPluginApi(request->plugins[idx], request, context);
+ status =callPluginApi(request, idx, context);
break;
}
}
// No plugin was found
if (request->plugins[idx] == NULL) {
- request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s]", request->plugin);
+ request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s] Url=%s", request->plugin, 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]", request->api, request->plugin);
+ request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s] url=[%s]", request->api, request->plugin, request->url);
goto ExitOnError;
}
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 url=[%s]", url);
+ 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->plugin = strdup (baseurl);
request->api = strdup (baseapi);
request->plugins= session->plugins;
-
+
+Done:
free(urlcpy1);
return (request);
}
// 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);
if (verbose) fprintf(stderr, "Create PostForm[uid=%d]\n", postHandle->uid);
request = createRequest (connection, session, url);
- if (request->jresp != NULL) {
- errMessage = request->jresp;
- goto ExitOnError;
- }
+ if (request->jresp != NULL) goto ProcessApiCall;
+
postHandle = malloc(sizeof (AFB_PostHandle)); // allocate application POST processor handle
postHandle->type = AFB_POST_FORM;
postHandle->pp = MHD_create_post_processor (connection, MAX_POST_SIZE, doPostIterate, postHandle);
postHandle->private= (void*)request;
- *con_cls = postHandle; // update context with posthandle
if (NULL == postHandle->pp) {
fprintf(stderr,"OOPS: Internal error fail to allocate MHD_create_post_processor\n");
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->client != NULL)) {
+ if ((!request->restfull) && (request->context != NULL)) {
char cookie[64];
- snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request->client->uuid);
+ snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request->uuid);
MHD_add_response_header (webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie);
}
}
void initPlugins(AFB_session *session) {
- static AFB_plugin * plugins[10];
+ static AFB_plugin **plugins;
+ AFB_plugin* (*pluginRegisterFct)(void);
+ void *plugin;
+ char *pluginPath;
+ struct dirent *pluginDir;
+ DIR *dir;
afbJsonType = json_object_new_string (AFB_MSG_JTYPE);
- int i = 0;
-
- plugins[i++] = tokenRegister(session);
- plugins[i++] = helloWorldRegister(session);
- plugins[i++] = samplePostRegister(session);
-#ifdef HAVE_AUDIO_PLUGIN
- plugins[i++] = audioRegister(session);
-#endif
-#ifdef HAVE_RADIO_PLUGIN
- plugins[i++] = radioRegister(session),
-#endif
- plugins[i++] = NULL;
-
+ int num = 0;
+
+ /* pre-allocate for 20 plugins, we will downsize if necessary */
+ plugins = (AFB_plugin **) malloc (20*sizeof(AFB_plugin));
+
+ if ((dir = opendir(session->config->plugins)) == NULL) {
+ fprintf(stderr, "Could not open plugin directory [%s], exiting...\n", session->config->plugins);
+ exit (-1);
+ }
+
+ while ((pluginDir = readdir(dir)) != NULL) {
+
+ if (!strstr (pluginDir->d_name, ".so"))
+ continue;
+
+ asprintf (&pluginPath, "%s/%s", session->config->plugins, pluginDir->d_name);
+ plugin = dlopen (pluginPath, RTLD_NOW | RTLD_LOCAL);
+ pluginRegisterFct = dlsym (plugin, "pluginRegister");
+ free (pluginPath);
+ if (!plugin) {
+ if (verbose) fprintf(stderr, "[%s] is not loadable, continuing...\n", pluginDir->d_name);
+ continue;
+ } else if (!pluginRegisterFct) {
+ if (verbose) fprintf(stderr, "[%s] is not an AFB plugin, continuing...\n", pluginDir->d_name);
+ continue;
+ }
+
+ if (verbose) fprintf(stderr, "[%s] is a valid AFB plugin, loading it\n", pluginDir->d_name);
+ plugins[num] = (AFB_plugin *) malloc (sizeof(AFB_plugin));
+ plugins[num] = (**pluginRegisterFct)();
+ num++;
+ /* only 20 plugins are supported at that time */
+ if (num == 20) break;
+ }
+ plugins = (AFB_plugin **) realloc (plugins, (num+1)*sizeof(AFB_plugin));
+ plugins[num] = NULL;
+
+ closedir (dir);
+
+ if (plugins[0] == NULL) {
+ fprintf(stderr, "No plugins found, afb-daemon is unlikely to work in this configuration, exiting...\n");
+ exit (-1);
+ }
+
// complete plugins and save them within current sessions
session->plugins = RegisterJsonPlugins(plugins);
+ session->config->pluginCount = num;
}