*
* Contain all generic part to handle REST/API
*
- * https://www.gnu.org/software/libmicrohttpd/tutorial.html [search 'FILE *fp']
+ * https://www.gnu.org/software/libmicrohttpd/tutorial.html [search 'largepost.c']
*/
#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);
-}
-
// 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 (verbose) fprintf(stderr, "End PostJson Request UID=%d\n", postHandle->uid);
}
if (postHandle->type == AFB_POST_FORM) {
- AFB_PostHandle *postform = (AFB_PostHandle*) postHandle->private;
- if (verbose) fprintf(stderr, "End PostForm Request UID=%d\n", postHandle->uid);
-
- // call API termination callback
- if (!postHandle->private) {
- if (!postHandle->completeCB) postHandle->completeCB (postHandle->private);
- }
+ if (verbose) fprintf(stderr, "End PostForm Request UID=%d\n", postHandle->uid);
}
- freeRequest (postHandle->private);
+ if (postHandle->privatebuf) free(postHandle->privatebuf);
free(postHandle);
}
// Check of apiurl is declare in this plugin and call it
-STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *context) {
- json_object *jresp, *jcall;
+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};
/*---------------------------------------------------------------
+---------------------------------------------------------------- */
void pluginError (int signum) {
sigset_t sigset;
- AFB_clientCtx *context;
-
+
+
// unlock signal to allow a new signal to come
sigemptyset (&sigset);
sigaddset (&sigset, signum);
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));
// 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(request->jresp, "request", jcall);
+ json_object_object_add(jreqt, "request", jcall);
} else {
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;
- request->jresp = jsonNewMessage(AFB_FATAL, "%s ERR: Signal/timeout handler activation fail.", configTime());
- return AFB_FAIL;
+ 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 (request->config->apiTimeout);
+ 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;
+ }
}
- // add client context to request
- ctxClientGet(request, plugin);
-
- // Effectively call the API with a subset of the context
+ // 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);
- // Allocate Json object and build response
- request->jresp = json_object_new_object();
- json_object_get (afbJsonType); // increate jsontype reference count
- json_object_object_add (request->jresp, "jtype", afbJsonType);
+ // 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(request->jresp, "request", jcall);
+ 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(request->jresp, "request", jcall);
- json_object_object_add(request->jresp, "response", jresp);
+ 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) {
}
}
}
- return (AFB_DONE);
+ goto ExitOnDone;
}
- }
+ }
return (AFB_FAIL);
+
+ExitOnDone:
+ request->jresp = jreqt;
+ return (AFB_DONE);
}
STATIC AFB_error findAndCallApi (AFB_request *request, void *context) {
int idx;
- char *baseurl, *baseapi;
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, baseurl)) {
- status =callPluginApi(request->plugins[idx], request, context);
+ 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]", request->plugin);
+ 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_DONE) {
- request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s]", request->api, request->plugin);
+ 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);
// This CB is call for every item with a form post it reformat iterator values
// and callback Plugin API for each Item within PostForm.
-doPostIterate (void *cls, enum MHD_ValueKind kind, const char *key,
+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) {
// retrieve API request from Post iterator handle
AFB_PostHandle *postHandle = (AFB_PostHandle*)cls;
- AFB_request *request = (AFB_request*)postHandle->private;
+ 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.offset = offset;
// Reformat Request to make it somehow similar to GET/PostJson case
- post.data= (char*) postctx;
- post.len = size;
- post.type= AFB_POST_FORM;;
- request->post = &post;
+ 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;);
+ return MHD_YES;
}
STATIC void freeRequest (AFB_request *request) {
- free (request->plugin);
+
+ 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 *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) {
- errMessage = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url);
- goto ExitOnError;
+ 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) {
- errMessage = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url);
- goto ExitOnError;
+ 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->config = session->config;
request->url = url;
- request->plugin = strdup (baseurl);
+ 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);
}
// process rest API query
AFB_error status;
struct MHD_Response *webResponse;
const char *serialized;
- AFB_request request;
- AFB_PostHandle *posthandle;
+ 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
if (0 == strcmp(method, MHD_HTTP_METHOD_POST)) {
const char *encoding, *param;
int contentlen = -1;
- posthandle = *con_cls;
+ postHandle = *con_cls;
- // This is the initial post event let's create form post structure POST datas come in multiple events
- if (posthandle == NULL) {
- fprintf(stderr, "This is the 1st Post Event postuid=%d\n", posthandle->uid);
+ // 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 = cmalloc(1, sizeof (AFB_PostHandle));
- posthandle->uid = postcount++; // build a UID for DEBUG
- *con_cls = posthandle; // attache POST handle to current HTTP request
+ 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);
- param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH);
- if (param) sscanf(param, "%i", &contentlen);
+
+ // 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) {
-
- posthandle = malloc(sizeof (AFB_PostHandle)); // allocate application POST processor handle
- posthandle->type = AFB_POST_FORM;
- posthandle->private= (void*)createRequest (connection, session, url);
- posthandle->pp = MHD_create_post_processor (connection, MAX_POST_SIZE, doPostIterate, posthandle);
-
- if (NULL == posthandle->pp) {
+ 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);
+ 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;
}
- if (posthandle == NULL) {
- posthandle->type = AFB_POST_JSON;
- posthandle->private = malloc(contentlen + 1); // allocate memory for full POST data + 1 for '\0' enf of string
+ // 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[%d] Size=%d\n", posthandle->uid, contentlen);
- return MHD_YES;
- }
+ // 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;
- }
+ 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 (verbose) fprintf(stderr, "Update Post[%d]\n", posthandle->uid);
- if (posthandle->type == AFB_POST_FORM) {
- MHD_post_process (con_info->postprocessor, upload_data, *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) {
-
- memcpy(&posthandle->private[posthandle->len], upload_data, *upload_data_size);
- posthandle->len = posthandle->len + *upload_data_size;
- *upload_data_size = 0;
+ 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);
-
- // We should only start to process DATA after Libmicrohttpd call or application handler with *upload_data_size==0
- if (posthandle->type == AFB_POST_FORM) {
- MHD_post_process (posthandle->pp, upload_data, *upload_data_size);
+ if (request->jresp != NULL) {
+ errMessage = request->jresp;
+ goto ExitOnError;
}
+ postRequest.type = postHandle->type;
- if (posthandle->type == AFB_POST_JSON) {
+ // 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 != %s", posthandle->uid, contentlen, posthandle->len);
+ 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->private[posthandle->len] = '\0';
- request->post.data = posthandle->private;
- request->post.type = posthandle->type;
+ 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);
+ // if (verbose) fprintf(stderr, "Close Post[%d] Buffer=%s\n", postHandle->uid, request->post->data);
}
}
} else {
// 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);
-
-ExitOnResponse:
- freeRequest (request);
- serialized = json_object_to_json_string(request.jresp);
+
+ 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.client != NULL)) {
- char cookie[64];
- snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request.client->uuid);
+ 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);
+ 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
+ json_object_put(request->jresp); // decrease reference rqtcount to free the json object
+ freeRequest (request);
return MHD_YES;
ExitOnError:
// Loop on plugins. Check that they have the right type, prepare a JSON object with prefix
STATIC AFB_plugin ** RegisterJsonPlugins(AFB_plugin **plugins) {
- int idx, jdx;
+ int idx;
for (idx = 0; plugins[idx] != NULL; idx++) {
if (plugins[idx]->type != AFB_PLUGIN_JSON) {
plugins[idx]->jtype = json_object_new_string(plugins[idx]->prefix);
json_object_get(plugins[idx]->jtype); // increase reference count to make it permanent
plugins[idx]->prefixlen = strlen(plugins[idx]->prefix);
-
-
- // Prebuild each API jtype to boost API json response
- for (jdx = 0; plugins[idx]->apis[jdx].name != NULL; jdx++) {
- AFB_privateApi *private = malloc (sizeof (AFB_privateApi));
- if (plugins[idx]->apis[jdx].private != NULL) {
- fprintf (stderr, "WARNING: plugin=%s api=%s private handle should be NULL=0x%x\n"
- ,plugins[idx]->prefix,plugins[idx]->apis[jdx].name, plugins[idx]->apis[jdx].private);
- }
- private->len = strlen (plugins[idx]->apis[jdx].name);
- private->jtype=json_object_new_string(plugins[idx]->apis[jdx].name);
- json_object_get(private->jtype); // increase reference count to make it permanent
- plugins[idx]->apis[jdx].private = private;
- }
}
}
return (plugins);
}
+STATIC void scanDirectory(char *dirpath, int dirfd, AFB_plugin **plugins, int *count) {
+ DIR *dir;
+ void *libso;
+ struct dirent pluginDir, *result;
+ AFB_plugin* (*pluginRegisterFct)(void);
+ char pluginPath[255];
+
+ // Open Directory to scan over it
+ dir = fdopendir (dirfd);
+ if (dir == NULL) {
+ fprintf(stderr, "ERROR in scanning directory\n");
+ return;
+ }
+ if (verbose) fprintf (stderr, "Scanning dir=[%s] for plugins\n", dirpath);
+
+ for (;;) {
+ readdir_r(dir, &pluginDir, &result);
+ if (result == NULL) break;
+
+ // Loop on any contained directory
+ if ((pluginDir.d_type == DT_DIR) && (pluginDir.d_name[0] != '.')) {
+ int fd = openat (dirfd, pluginDir.d_name, O_DIRECTORY);
+ char newpath[255];
+ strncpy (newpath, dirpath, sizeof(newpath));
+ strncat (newpath, "/", sizeof(newpath));
+ strncat (newpath, pluginDir.d_name, sizeof(newpath));
+
+ scanDirectory (newpath, fd, plugins, count);
+ close (fd);
+
+ } else {
+
+ // This is a file but not a plugin let's move to next directory element
+ if (!strstr (pluginDir.d_name, ".so")) continue;
+
+ // This is a loadable library let's check if it's a plugin
+ snprintf (pluginPath, sizeof(pluginPath), "%s/%s", dirpath, pluginDir.d_name);
+ libso = dlopen (pluginPath, RTLD_NOW | RTLD_LOCAL);
+
+ // Load fail we ignore this .so file
+ if (!libso) {
+ fprintf(stderr, "[%s] is not loadable, continuing...\n", pluginDir.d_name);
+ continue;
+ }
+
+ pluginRegisterFct = dlsym (libso, "pluginRegister");
+
+ if (!pluginRegisterFct) {
+ fprintf(stderr, "[%s] is not an AFB plugin, continuing...\n", pluginDir.d_name);
+ continue;
+ }
+
+ // if max plugin is reached let's stop searching
+ if (*count == AFB_MAX_PLUGINS) {
+ fprintf(stderr, "[%s] is not loaded [Max Count=%d reached]\n", pluginDir.d_name, *count);
+ continue;
+ }
+
+ if (verbose) fprintf(stderr, "[%s] is a valid AFB plugin, loading pos[%d]\n", pluginDir.d_name, *count);
+ plugins[*count] = pluginRegisterFct();
+ if (!plugins[*count]) {
+ if (verbose) fprintf(stderr, "ERROR: plugin [%s] register function failed. continuing...\n", pluginDir.d_name);
+ } else
+ *count = *count +1;
+ }
+ }
+ closedir (dir);
+}
+
void initPlugins(AFB_session *session) {
- static AFB_plugin * plugins[10];
+ AFB_plugin **plugins;
+
afbJsonType = json_object_new_string (AFB_MSG_JTYPE);
- int i = 0;
-
- plugins[i++] = afsvRegister(session),
- plugins[i++] = dbusRegister(session),
- plugins[i++] = alsaRegister(session),
-#ifdef HAVE_RADIO_PLUGIN
- plugins[i++] = radioRegister(session),
-#endif
- plugins[i++] = NULL;
+ int count = 0;
+ char *dirpath;
+ int dirfd;
+
+ /* pre-allocate for AFB_MAX_PLUGINS plugins, we will downsize later */
+ plugins = (AFB_plugin **) malloc (AFB_MAX_PLUGINS *sizeof(AFB_plugin*));
+ // Loop on every directory passed in --plugins=xxx
+ while ((dirpath = strsep(&session->config->ldpaths, ":"))) {
+ // Ignore any directory we fail to open
+ if ((dirfd = open(dirpath, O_DIRECTORY)) <= 0) {
+ fprintf(stderr, "Invalid directory path=[%s]\n", dirpath);
+ continue;
+ }
+ scanDirectory (dirpath, dirfd, plugins, &count);
+ close (dirfd);
+ }
+
+ if (count == 0) {
+ fprintf(stderr, "No plugins found, afb-daemon is unlikely to work in this configuration, exiting...\n");
+ exit (1);
+ }
+
+ // downsize structure to effective number of loaded plugins
+ plugins = (AFB_plugin **)realloc (plugins, (unsigned)(count+1)*sizeof(AFB_plugin*));
+ plugins[count] = NULL;
+
// complete plugins and save them within current sessions
session->plugins = RegisterJsonPlugins(plugins);
+ session->config->pluginCount = count;
}