int osrfMathRun( osrfMethodContext* ctx ) {
if( osrfMethodVerifyContext( ctx ) ) {
osrfLogError( OSRF_LOG_MARK, "Invalid method context" );
return -1;
}
/* collect the request params */
const jsonObject* x = jsonObjectGetIndex(ctx->params, 0);
const jsonObject* y = jsonObjectGetIndex(ctx->params, 1);
if( x && y ) {
/* pull out the params as strings since they may be either
strings or numbers depending on the client */
char* a = jsonObjectToSimpleString(x);
char* b = jsonObjectToSimpleString(y);
if( a && b ) {
osrfLogActivity( OSRF_LOG_MARK, "Running opensrf.math %s [ %s : %s ]",
ctx->method->name, a, b );
/* construct a new params object to send to dbmath */
jsonObject* newParams = jsonParseFmt( "[ %s, %s ]", a, b );
free(a); free(b);
/* connect to db math */
osrfAppSession* ses = osrfAppSessionClientInit("opensrf.dbmath");
/* forcing an explicit connect allows us to talk to one worker backend
* regardless of "stateful" config settings for the server
* This buys us nothing here since we're only sending one request...
* */
/*osrfAppSessionConnect(ses);*/
/* dbmath uses the same method names that math does */
int req_id = osrfAppSessionSendRequest( ses, newParams, ctx->method->name, 1 );
osrfMessage* omsg = osrfAppSessionRequestRecv( ses, req_id, 60 );
jsonObjectFree(newParams);
if(omsg) {
/* return dbmath's response to the user */
osrfAppRespondComplete( ctx, osrfMessageGetResult(omsg) );
osrfMessageFree(omsg);
osrfAppSessionFree(ses);
return 0;
}
osrfAppSessionFree(ses);
}
else {
if(a)
free(a);
if(b)
free(b);
}
}
return -1;
}
/**
* Fetches the user object from the database and updates the user object in
* the cache object, which then has to be re-inserted into the cache.
* User object is retrieved inside a transaction to avoid replication issues.
*/
static int _oilsAuthReloadUser(jsonObject* cacheObj) {
int reqid, userId;
osrfAppSession* session;
osrfMessage* omsg;
jsonObject *param, *userObj, *newUserObj = NULL;
userObj = jsonObjectGetKey( cacheObj, "userobj" );
userId = oilsFMGetObjectId( userObj );
session = osrfAppSessionClientInit( "open-ils.cstore" );
osrfAppSessionConnect(session);
reqid = osrfAppSessionSendRequest(session, NULL, "open-ils.cstore.transaction.begin", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
if(omsg) {
osrfMessageFree(omsg);
param = jsonNewNumberObject(userId);
reqid = osrfAppSessionSendRequest(session, param, "open-ils.cstore.direct.actor.user.retrieve", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
jsonObjectFree(param);
if(omsg) {
newUserObj = jsonObjectClone( osrfMessageGetResult(omsg) );
osrfMessageFree(omsg);
reqid = osrfAppSessionSendRequest(session, NULL, "open-ils.cstore.transaction.rollback", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
osrfMessageFree(omsg);
}
}
osrfAppSessionFree(session); // calls disconnect internally
if(newUserObj) {
// ws_ou and wsid are ephemeral and need to be manually propagated
// oilsFMSetString dupe()'s internally, no need to clone the string
oilsFMSetString(newUserObj, "wsid", oilsFMGetStringConst(userObj, "wsid"));
oilsFMSetString(newUserObj, "ws_ou", oilsFMGetStringConst(userObj, "ws_ou"));
jsonObjectRemoveKey(cacheObj, "userobj"); // this also frees the old user object
jsonObjectSetKey(cacheObj, "userobj", newUserObj);
return 1;
}
osrfLogError(OSRF_LOG_MARK, "Error retrieving user %d from database", userId);
return 0;
}
/**
@brief Perform a remote procedure call.
@param service The name of the service to invoke.
@param method The name of the method to call.
@param params The parameters to be passed to the method, if any.
@return A copy of whatever the method returns as a result, or a JSON_NULL if the method
doesn't return anything.
If the @a params parameter points to a JSON_ARRAY, pass each element of the array
as a separate parameter. If it points to any other kind of jsonObject, pass it as a
single parameter. If it is NULL, pass no parameters.
The calling code is responsible for freeing the returned object by calling jsonObjectFree().
*/
jsonObject* oilsUtilsQuickReq( const char* service, const char* method,
const jsonObject* params ) {
if(!(service && method)) return NULL;
osrfLogDebug(OSRF_LOG_MARK, "oilsUtilsQuickReq(): %s - %s", service, method );
// Open an application session with the service, and send the request
osrfAppSession* session = osrfAppSessionClientInit( service );
int reqid = osrfAppSessionSendRequest( session, params, method, 1 );
// Get the response
osrfMessage* omsg = osrfAppSessionRequestRecv( session, reqid, 60 );
jsonObject* result = jsonObjectClone( osrfMessageGetResult(omsg) );
// Clean up
osrfMessageFree(omsg);
osrfAppSessionFree(session);
return result;
}
int oilsUtilsTrackUserActivity(long usr, const char* ewho, const char* ewhat, const char* ehow) {
if (!usr && !(ewho || ewhat || ehow)) return 0;
int rowcount = 0;
jsonObject* params = jsonParseFmt(
"{\"from\":[\"actor.insert_usr_activity\", %ld, \"%s\", \"%s\", \"%s\"]}",
usr,
(NULL == ewho) ? "" : ewho,
(NULL == ewhat) ? "" : ewhat,
(NULL == ehow) ? "" : ehow
);
osrfAppSession* session = osrfAppSessionClientInit("open-ils.cstore");
osrfAppSessionConnect(session);
int reqid = osrfAppSessionSendRequest(session, NULL, "open-ils.cstore.transaction.begin", 1);
osrfMessage* omsg = osrfAppSessionRequestRecv(session, reqid, 60);
if(omsg) {
osrfMessageFree(omsg);
reqid = osrfAppSessionSendRequest(session, params, "open-ils.cstore.json_query", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
if(omsg) {
const jsonObject* rows = osrfMessageGetResult(omsg);
if (rows) rowcount = rows->size;
osrfMessageFree(omsg); // frees rows
if (rowcount) {
reqid = osrfAppSessionSendRequest(session, NULL, "open-ils.cstore.transaction.commit", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
osrfMessageFree(omsg);
} else {
reqid = osrfAppSessionSendRequest(session, NULL, "open-ils.cstore.transaction.rollback", 1);
omsg = osrfAppSessionRequestRecv(session, reqid, 60);
osrfMessageFree(omsg);
}
}
}
osrfAppSessionFree(session); // calls disconnect internally
jsonObjectFree(params);
return rowcount;
}
int osrfVersion( osrfMethodContext* ctx ) {
if( osrfMethodVerifyContext( ctx ) ) {
osrfLogError( OSRF_LOG_MARK, "Invalid method context" );
return -1;
}
/* First, see if the data is in the cache */
char* json = jsonObjectToJSON(ctx->params);
char* paramsmd5 = md5sum(json);
char* cachedmd5 = osrfCacheGetString(paramsmd5);
free(json);
if( cachedmd5 ) {
osrfLogDebug(OSRF_LOG_MARK, "Found %s object in cache, returning....", cachedmd5 );
jsonObject* resp = jsonNewObject(cachedmd5);
osrfAppRespondComplete( ctx, resp );
jsonObjectFree(resp);
free(paramsmd5);
free(cachedmd5);
return 0;
}
const jsonObject* serv = jsonObjectGetIndex(ctx->params, 0);
const jsonObject* meth = jsonObjectGetIndex(ctx->params, 1);
const char* service = jsonObjectGetString(serv);
const char* methd = jsonObjectGetString(meth);
if( service && methd ) {
/* shove the additional params into an array */
jsonObject* tmpArray = jsonNewObject(NULL);
int i;
for( i = 2; i != ctx->params->size; i++ )
jsonObjectPush( tmpArray, jsonObjectClone(jsonObjectGetIndex(ctx->params, i)));
osrfAppSession* ses = osrfAppSessionClientInit(service);
int reqid = osrfAppSessionSendRequest( ses, tmpArray, methd, 1 );
osrfMessage* omsg = osrfAppSessionRequestRecv( ses, reqid, 60 );
jsonObjectFree(tmpArray);
if( omsg ) {
const jsonObject* result = osrfMessageGetResult( omsg );
char* resultjson = jsonObjectToJSON(result);
char* resultmd5 = md5sum(resultjson);
free(resultjson);
osrfMessageFree(omsg);
if( resultmd5 ) {
jsonObject* resp = jsonNewObject(resultmd5);
osrfAppRespondComplete( ctx, resp );
jsonObjectFree(resp);
osrfAppSessionFree(ses);
osrfLogDebug(OSRF_LOG_MARK,
"Found version string %s, caching and returning...", resultmd5 );
osrfCachePutString( paramsmd5, resultmd5, OSRF_VERSION_CACHE_TIME );
free(resultmd5);
free(paramsmd5);
return 0;
}
}
osrfAppSessionFree(ses);
}
free(paramsmd5);
return -1;
}
static int osrf_json_gateway_method_handler (request_rec *r) {
/* make sure we're needed first thing*/
if (strcmp(r->handler, MODULE_NAME )) return DECLINED;
osrf_json_gateway_dir_config* dir_conf =
ap_get_module_config(r->per_dir_config, &osrf_json_gateway_module);
/* provide 2 different JSON parsers and serializers to support legacy JSON */
jsonObject* (*parseJSONFunc) (const char*) = legacy_jsonParseString;
char* (*jsonToStringFunc) (const jsonObject*) = legacy_jsonObjectToJSON;
if(dir_conf->legacyJSON) {
ap_log_rerror( APLOG_MARK, APLOG_DEBUG, 0, r, "Using legacy JSON");
} else {
parseJSONFunc = jsonParse;
jsonToStringFunc = jsonObjectToJSON;
}
osrfLogDebug(OSRF_LOG_MARK, "osrf gateway: entered request handler");
/* verify we are connected */
if( !bootstrapped || !osrfSystemGetTransportClient()) {
ap_log_rerror( APLOG_MARK, APLOG_ERR, 0, r, "Cannot process request "
"because the OpenSRF JSON gateway has not been bootstrapped...");
usleep( 100000 ); /* 100 milliseconds */
exit(1);
}
osrfLogSetAppname("osrf_json_gw");
char* osrf_locale = NULL;
char* param_locale = NULL; /* locale for this call */
char* service = NULL; /* service to connect to */
char* method = NULL; /* method to perform */
char* format = NULL; /* method to perform */
char* a_l = NULL; /* request api level */
char* input_format = NULL; /* POST data format, defaults to 'format' */
int isXML = 0;
int api_level = 1;
r->allowed |= (AP_METHOD_BIT << M_GET);
r->allowed |= (AP_METHOD_BIT << M_POST);
osrfLogDebug(OSRF_LOG_MARK, "osrf gateway: parsing URL params");
osrfStringArray* mparams = NULL;
osrfStringArray* params = apacheParseParms(r); /* free me */
param_locale = apacheGetFirstParamValue( params, "locale" );
service = apacheGetFirstParamValue( params, "service" );
method = apacheGetFirstParamValue( params, "method" );
format = apacheGetFirstParamValue( params, "format" );
input_format = apacheGetFirstParamValue( params, "input_format" );
a_l = apacheGetFirstParamValue( params, "api_level" );
mparams = apacheGetParamValues( params, "param" ); /* free me */
if(format == NULL)
format = strdup( "json" );
if(input_format == NULL)
input_format = strdup( format );
/* set the user defined timeout value */
int timeout = 60;
char* tout = apacheGetFirstParamValue( params, "timeout" ); /* request timeout in seconds */
if( tout ) {
timeout = atoi(tout);
osrfLogDebug(OSRF_LOG_MARK, "Client supplied timeout of %d", timeout);
free( tout );
}
if (a_l) {
api_level = atoi(a_l);
free( a_l );
}
if (!strcasecmp(format, "xml")) {
isXML = 1;
ap_set_content_type(r, "application/xml");
} else {
ap_set_content_type(r, "text/plain");
}
free( format );
int ret = OK;
/* ----------------------------------------------------------------- */
/* Grab the requested locale using the Accept-Language header*/
if ( !param_locale ) {
if ( apr_table_get(r->headers_in, "X-OpenSRF-Language") ) {
param_locale = strdup( apr_table_get(r->headers_in, "X-OpenSRF-Language") );
} else if ( apr_table_get(r->headers_in, "Accept-Language") ) {
param_locale = strdup( apr_table_get(r->headers_in, "Accept-Language") );
}
}
if (param_locale) {
growing_buffer* osrf_locale_buf = buffer_init(16);
if (index(param_locale, ',')) {
int ind = index(param_locale, ',') - param_locale;
int i;
for ( i = 0; i < ind && i < 128; i++ )
buffer_add_char( osrf_locale_buf, param_locale[i] );
} else {
buffer_add( osrf_locale_buf, param_locale );
}
free(param_locale);
osrf_locale = buffer_release( osrf_locale_buf );
} else {
osrf_locale = strdup( osrf_json_default_locale );
}
/* ----------------------------------------------------------------- */
if(!(service && method)) {
osrfLogError(OSRF_LOG_MARK,
"Service [%s] not found or not allowed", service);
ret = HTTP_NOT_FOUND;
} else {
/* This will log all heaers to the apache error log
const apr_array_header_t* arr = apr_table_elts(r->headers_in);
const void* ptr;
while( (ptr = apr_array_pop(arr)) ) {
apr_table_entry_t* e = (apr_table_entry_t*) ptr;
fprintf(stderr, "Table entry: %s : %s\n", e->key, e->val );
}
fflush(stderr);
*/
osrfAppSession* session = osrfAppSessionClientInit(service);
osrf_app_session_set_locale(session, osrf_locale);
double starttime = get_timestamp_millis();
int req_id = -1;
if(!strcasecmp(input_format, "json")) {
jsonObject * arr = jsonNewObject(NULL);
const char* str;
int i = 0;
while( (str = osrfStringArrayGetString(mparams, i++)) )
jsonObjectPush(arr, parseJSONFunc(str));
req_id = osrfAppSessionSendRequest( session, arr, method, api_level );
jsonObjectFree(arr);
} else {
/**
* If we receive XML method params, convert each param to a JSON object
* and pass the array of JSON object params to the method */
if(!strcasecmp(input_format, "xml")) {
jsonObject* jsonParams = jsonNewObject(NULL);
const char* str;
int i = 0;
while( (str = osrfStringArrayGetString(mparams, i++)) ) {
jsonObjectPush(jsonParams, jsonXMLToJSONObject(str));
}
req_id = osrfAppSessionSendRequest( session, jsonParams, method, api_level );
jsonObjectFree(jsonParams);
}
}
if( req_id == -1 ) {
osrfLogError(OSRF_LOG_MARK, "I am unable to communicate with opensrf..going away...");
osrfAppSessionFree(session);
/* we don't want to spawn an intense re-forking storm
* if there is no jabber server.. so give it some time before we die */
usleep( 100000 ); /* 100 milliseconds */
exit(1);
}
/* ----------------------------------------------------------------- */
/* log all requests to the activity log */
const char* authtoken = apr_table_get(r->headers_in, "X-OILS-Authtoken");
if(!authtoken) authtoken = "";
growing_buffer* act = buffer_init(128);
buffer_fadd(act, "[%s] [%s] [%s] %s %s", r->connection->remote_ip,
authtoken, osrf_locale, service, method );
const char* str; int i = 0;
while( (str = osrfStringArrayGetString(mparams, i++)) ) {
if( i == 1 ) {
OSRF_BUFFER_ADD(act, " ");
OSRF_BUFFER_ADD(act, str);
} else {
OSRF_BUFFER_ADD(act, ", ");
OSRF_BUFFER_ADD(act, str);
}
}
osrfLogActivity( OSRF_LOG_MARK, act->buf );
buffer_free(act);
/* ----------------------------------------------------------------- */
osrfMessage* omsg = NULL;
int statuscode = 200;
/* kick off the object */
if (isXML)
ap_rputs( "<response xmlns=\"http://opensrf.org/-/namespaces/gateway/v1\"><payload>",
r );
else
ap_rputs("{\"payload\":[", r);
int morethan1 = 0;
char* statusname = NULL;
char* statustext = NULL;
char* output = NULL;
while((omsg = osrfAppSessionRequestRecv( session, req_id, timeout ))) {
statuscode = omsg->status_code;
const jsonObject* res;
if( ( res = osrfMessageGetResult(omsg)) ) {
if (isXML) {
output = jsonObjectToXML( res );
} else {
output = jsonToStringFunc( res );
if( morethan1 ) ap_rputs(",", r); /* comma between JSON array items */
}
ap_rputs(output, r);
free(output);
morethan1 = 1;
} else {
if( statuscode > 299 ) { /* the request returned a low level error */
statusname = omsg->status_name ? strdup(omsg->status_name)
: strdup("Unknown Error");
statustext = omsg->status_text ? strdup(omsg->status_text)
: strdup("No Error Message");
osrfLogError( OSRF_LOG_MARK, "Gateway received error: %s", statustext );
}
}
osrfMessageFree(omsg);
if(statusname) break;
}
double duration = get_timestamp_millis() - starttime;
osrfLogDebug(OSRF_LOG_MARK, "gateway request took %f seconds", duration);
if (isXML)
ap_rputs("</payload>", r);
else
ap_rputs("]",r); /* finish off the payload array */
if(statusname) {
/* add a debug field if the request died */
ap_log_rerror( APLOG_MARK, APLOG_INFO, 0, r,
"OpenSRF JSON Request returned error: %s -> %s", statusname, statustext );
int l = strlen(statusname) + strlen(statustext) + 32;
char buf[l];
if (isXML)
snprintf( buf, sizeof(buf), "<debug>\"%s : %s\"</debug>", statusname, statustext );
else {
char bb[l];
snprintf(bb, sizeof(bb), "%s : %s", statusname, statustext);
jsonObject* tmp = jsonNewObject(bb);
char* j = jsonToStringFunc(tmp);
snprintf( buf, sizeof(buf), ",\"debug\": %s", j);
free(j);
jsonObjectFree(tmp);
}
ap_rputs(buf, r);
free(statusname);
free(statustext);
}
/* insert the status code */
char buf[32];
if (isXML)
snprintf(buf, sizeof(buf), "<status>%d</status>", statuscode );
else
snprintf(buf, sizeof(buf), ",\"status\":%d", statuscode );
ap_rputs( buf, r );
if (isXML)
ap_rputs("</response>", r);
else
ap_rputs( "}", r ); /* finish off the object */
osrfAppSessionFree(session);
}
osrfLogInfo(OSRF_LOG_MARK, "Completed processing service=%s, method=%s", service, method);
osrfStringArrayFree(params);
osrfStringArrayFree(mparams);
free( osrf_locale );
free( input_format );
free( method );
free( service );
osrfLogDebug(OSRF_LOG_MARK, "Gateway served %d requests", ++numserved);
osrfLogClearXid();
return ret;
}
