Open-ILS/src/c-apps/oils_auth.c

   1 #include "opensrf/osrf_app_session.h"
   2 #include "opensrf/osrf_application.h"
   3 #include "objson/object.h"
   4 #include "opensrf/log.h"
   5 #include "oils_utils.h"
   6 #include "oils_constants.h"
   7 #include "oils_event.h"
   8
   9 #define OILS_AUTH_CACHE_PRFX "oils_auth_"
  10
  11 #define MODULENAME "open-ils.auth"
  12
  13 int osrfAppInitialize();
  14 int osrfAppChildInit();
  15 int osrfMathRun( osrfMethodContext* );
  16
  17
  18 int osrfAppInitialize() {
  19
  20         osrfAppRegisterMethod(
  21                 MODULENAME,
  22                 "open-ils.auth.authenticate.init",
  23                 "oilsAuthInit",
  24                 "Start the authentication process and returns the intermediate authentication seed"
  25                 " PARAMS( username )", 1, 0 );
  26
  27         osrfAppRegisterMethod(
  28                 MODULENAME,
  29                 "open-ils.auth.authenticate.complete",
  30                 "oilsAuthComplete",
  31                 "Completes the authentication process and returns the auth token "
  32                 "PARAMS(username, md5sum( seed + password ) )", 2, 0 );
  33
  34         osrfAppRegisterMethod(
  35                 MODULENAME,
  36                 "open-ils.auth.session.retrieve",
  37                 "oilsAuthSessionRetrieve",
  38                 "Returns the user object (password blanked) for the given login session "
  39                 "PARAMS( authToken )", 1, 0 );
  40
  41         osrfAppRegisterMethod(
  42                 MODULENAME,
  43                 "open-ils.auth.session.delete",
  44                 "oilsAuthSessionDelete",
  45                 "Destroys the given login session "
  46                 "PARAMS( authToken )",  1, 0 );
  47
  48         return 0;
  49 }
  50
  51 int osrfAppChildInit() {
  52         return 0;
  53 }
  54
  55 int oilsAuthInit( osrfMethodContext* ctx ) {
  56         OSRF_METHOD_VERIFY_CONTEXT(ctx);
  57
  58         jsonObject* resp;
  59         char* username = NULL;
  60         char* seed = NULL;
  61         char* md5seed = NULL;
  62         char* key = NULL;
  63
  64         if( (username = jsonObjectGetString(jsonObjectGetIndex(ctx->params, 0))) ) {
  65
  66                 seed = va_list_to_string( "%d.%d.%s", time(NULL), getpid(), username );
  67                 key = va_list_to_string( "%s%s", OILS_AUTH_CACHE_PRFX, username );
  68
  69                 md5seed = md5sum(seed);
  70                 osrfCachePutString( key, md5seed, 30 );
  71
  72                 osrfLogDebug( "oilsAuthInit(): has seed %s and key %s", md5seed, key );
  73
  74                 resp = jsonNewObject(md5seed);
  75                 osrfAppRespondComplete( ctx, resp );
  76
  77                 jsonObjectFree(resp);
  78                 free(seed);
  79                 free(md5seed);
  80                 free(key);
  81                 return 0;
  82         }
  83
  84         return -1;
  85 }
  86
  87
  88 int oilsAuthComplete( osrfMethodContext* ctx ) {
  89         OSRF_METHOD_VERIFY_CONTEXT(ctx);
  90
  91         char* uname = jsonObjectGetString(jsonObjectGetIndex(ctx->params, 0));
  92         char* password = jsonObjectGetString(jsonObjectGetIndex(ctx->params, 1));
  93         char* storageMethod = "open-ils.storage.direct.actor.user.search.usrname.atomic";
  94         osrfMessage* omsg = NULL;
  95
  96         if( uname && password ) {
  97
  98                 oilsEvent* response = NULL;
  99
 100                 /* grab the user object from storage */
 101                 osrfLogDebug( "oilsAuth calling method %s with username %s", storageMethod, uname );
 102
 103                 osrfAppSession* session = osrfAppSessionClientInit( "open-ils.storage" ); /**/
 104                 jsonObject* params = jsonParseString("[\"%s\"]", uname);
 105                 int reqid = osrfAppSessionMakeRequest( session, params, storageMethod, 1, NULL );
 106                 jsonObjectFree(params);
 107                 osrfLogInternal("oilsAuth waiting from response from storage...");
 108                 omsg = osrfAppSessionRequestRecv( session, reqid, 60 ); /**/
 109                 osrfLogInternal("oilsAuth storage request returned");
 110
 111                 if(!omsg) {
 112                         osrfAppSessionFree(session);
 113                         return osrfAppRequestRespondException( ctx->session, ctx->request,
 114                                 "No response from storage server for method %s", storageMethod );
 115                 }
 116
 117                 jsonObject* userObj = osrfMessageGetResult(omsg);
 118
 119                 char* _j = jsonObjectToJSON(userObj);
 120                 osrfLogDebug( "Auth received user object from storage: %s", _j );
 121                 free(_j);
 122
 123                 /* the method is atomic, grab the first user we receive */
 124                 if( userObj ) userObj = jsonObjectGetIndex(userObj, 0);
 125
 126                 if(!userObj) { /* XXX needs to be a 'friendly' exception */
 127                         osrfMessageFree(omsg);
 128                         osrfAppSessionFree(session);
 129                         response = oilsNewEvent( OILS_EVENT_AUTH_FAILED );
 130                         osrfAppRespondComplete( ctx, oilsEventToJSON(response) );
 131                         oilsEventFree(response);
 132                         return 0;
 133
 134                 }
 135
 136                 char* realPassword = oilsFMGetString( userObj, "passwd" ); /**/
 137                 char* seed = osrfCacheGetString( "%s%s", OILS_AUTH_CACHE_PRFX, uname ); /**/
 138
 139                 if(!seed) {
 140                         osrfMessageFree(omsg);
 141                         osrfAppSessionFree(session);
 142                         return osrfAppRequestRespondException( ctx->session,
 143                                 ctx->request, "No authentication seed found. "
 144                                 "open-ils.auth.authenticate.init must be called first");
 145                 }
 146
 147                 osrfLogDebug( "oilsAuth retrieved seed from cache: %s", seed );
 148                 char* maskedPw = md5sum( "%s%s", seed, realPassword );
 149                 if(!maskedPw) return -1;
 150                 osrfLogDebug( "oilsAuth generated masked password %s. "
 151                                 "Testing against provided password %s", maskedPw, password );
 152
 153
 154                 if( !strcmp( maskedPw, password ) ) {
 155
 156                         osrfLogActivity( "User %s successfully logged in", uname );
 157
 158                         char* string = va_list_to_string( "%d.%d.%s", getpid(), time(NULL), uname ); /**/
 159                         char* authToken = md5sum(string); /**/
 160                         char* authKey = va_list_to_string( "%s%s", OILS_AUTH_CACHE_PRFX, authToken ); /**/
 161
 162                         osrfLogInternal("oilsAuthComplete(): Setting fieldmapper string on the user object");
 163                         oilsFMSetString( userObj, "passwd", "" );
 164                         osrfCachePutObject( authKey, userObj, 28800 ); /* XXX config value */
 165                         osrfLogInternal("oilsAuthComplete(): Placed user object into cache");
 166                         response = oilsNewEvent2( OILS_EVENT_SUCCESS, jsonNewObject(authToken) );
 167                         free(string); free(authToken); free(authKey);
 168
 169                 } else {
 170
 171                         response = oilsNewEvent( OILS_EVENT_AUTH_FAILED );
 172                         osrfLogInfo( "Login failed for for %s", uname );
 173                 }
 174
 175                 osrfLogInternal("oilsAuthComplete responding to client");
 176                 osrfAppRespondComplete( ctx, oilsEventToJSON(response) );
 177                 oilsEventFree(response);
 178                 osrfMessageFree(omsg);
 179                 osrfAppSessionFree(session);
 180
 181         } else {
 182                 return osrfAppRequestRespondException( ctx->session, ctx->request,
 183                         "username and password required for method: %s", ctx->method->name );
 184         }
 185
 186         return 0;
 187
 188 }
 189
 190 int oilsAuthSessionRetrieve( osrfMethodContext* ctx ) {
 191         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 192
 193         char* authToken = jsonObjectGetString( jsonObjectGetIndex(ctx->params, 0));
 194         jsonObject* userObj = NULL;
 195
 196         if( authToken ){
 197                 char* key = va_list_to_string("%s%s", OILS_AUTH_CACHE_PRFX, authToken ); /**/
 198                 userObj = osrfCacheGetObject( key ); /**/
 199                 free(key);
 200         }
 201
 202         osrfAppRespondComplete( ctx, userObj );
 203         jsonObjectFree(userObj);
 204         return 0;
 205 }
 206
 207 int oilsAuthSessionDelete( osrfMethodContext* ctx ) {
 208         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 209
 210         char* authToken = jsonObjectGetString( jsonObjectGetIndex(ctx->params, 0) );
 211         jsonObject* resp = NULL;
 212
 213         if( authToken ) {
 214                 char* key = va_list_to_string("%s%s", OILS_AUTH_CACHE_PRFX, authToken ); /**/
 215                 osrfCacheRemove(key);
 216                 resp = jsonNewObject(authToken); /**/
 217                 free(key);
 218         }
 219
 220         osrfAppRespondComplete( ctx, resp );
 221         jsonObjectFree(resp);
 222         return 0;
 223 }
 224
 225
 226