cli send encrypted & manage megolm session, save/load megolm sessions

[matrix_esp_thesis] / src / matrix.c

diff --git a/src/matrix.c b/src/matrix.c
index 80802c3e36953003e476b0e3d633b748d3ec767f..fa7303f891e250dfc5d1349e6293ee8bf4d5a7ff 100644 (file)
--- a/src/matrix.c
+++ b/src/matrix.c
@@ -226,6 +226,67 @@ MatrixMegolmOutSessionEncrypt(
     return res != olm_error();\r
 }\r
 \r
+bool\r
+MatrixMegolmOutSessionSave(\r
+    MatrixMegolmOutSession * session,\r
+    const char * filename,\r
+    const char * key)\r
+{\r
+    FILE * f = fopen(filename, "w");\r
+\r
+    size_t roomIdLen = strlen(session->roomId);\r
+    fwrite(&roomIdLen, sizeof(size_t), 1, f);\r
+    fwrite(session->roomId, 1, roomIdLen, f);\r
+\r
+    size_t pickleBufferLen =\r
+        olm_pickle_outbound_group_session_length(\r
+            session->session);\r
+    void * pickleBuffer = malloc(pickleBufferLen);\r
+\r
+    olm_pickle_outbound_group_session(\r
+        session->session,\r
+        key, strlen(key),\r
+        pickleBuffer, pickleBufferLen);\r
+    \r
+    fwrite(&pickleBufferLen, sizeof(size_t), 1, f);\r
+    fwrite(pickleBuffer, 1, pickleBufferLen, f);\r
+    free(pickleBuffer);\r
+\r
+    fclose(f);\r
+\r
+    return true;\r
+}\r
+\r
+bool\r
+MatrixMegolmOutSessionLoad(\r
+    MatrixMegolmOutSession * session,\r
+    const char * filename,\r
+    const char * key)\r
+{\r
+    FILE * f = fopen(filename, "r");\r
+\r
+    size_t roomIdLen;\r
+    fread(&roomIdLen, sizeof(size_t), 1, f);\r
+    fread(session->roomId, 1, roomIdLen, f);\r
+\r
+    size_t pickleBufferLen;\r
+    fread(&pickleBufferLen, sizeof(size_t), 1, f);\r
+\r
+    void * pickleBuffer = malloc(pickleBufferLen);\r
+    fread(pickleBuffer, 1, pickleBufferLen, f);\r
+\r
+    olm_unpickle_outbound_group_session(\r
+        session->session,\r
+        key, strlen(key),\r
+        pickleBuffer, pickleBufferLen);\r
+    \r
+    free(pickleBuffer);\r
+\r
+    fclose(f);\r
+\r
+    return true;\r
+}\r
+\r
 \r
 \r
 bool\r
@@ -315,14 +376,9 @@ MatrixClientSetAccessToken(
     MatrixClient * client,\r
     const char * accessToken)\r
 {\r
-    int accessTokenLen = strlen(accessToken);\r
-\r
-    if (accessTokenLen > ACCESS_TOKEN_SIZE - 1)\r
-        return false;\r
-\r
-    for (int i = 0; i < accessTokenLen; i++)\r
+    for (int i = 0; i < ACCESS_TOKEN_SIZE-1; i++)\r
         client->accessToken[i] = accessToken[i];\r
-    client->accessToken[accessTokenLen] = '\0';\r
+    client->accessToken[ACCESS_TOKEN_SIZE-1] = '\0';\r
 \r
     return true;\r
 }\r
@@ -332,14 +388,9 @@ MatrixClientSetDeviceId(
     MatrixClient * client,\r
     const char * deviceId)\r
 {\r
-    int deviceIdLen = strlen(deviceId);\r
-\r
-    if (deviceIdLen > DEVICE_ID_SIZE - 1)\r
-        return false;\r
-\r
-    for (int i = 0; i < deviceIdLen; i++)\r
+    for (int i = 0; i < DEVICE_ID_SIZE-1; i++)\r
         client->deviceId[i] = deviceId[i];\r
-    client->deviceId[deviceIdLen] = '\0';\r
+    client->deviceId[DEVICE_ID_SIZE-1] = '\0';\r
 \r
     return true;\r
 }\r
@@ -349,14 +400,9 @@ MatrixClientSetUserId(
     MatrixClient * client,\r
     const char * userId)\r
 {\r
-    int userIdLen = strlen(userId);\r
-\r
-    if (userIdLen > USER_ID_SIZE - 1)\r
-        return false;\r
-\r
-    for (int i = 0; i < userIdLen; i++)\r
+    for (int i = 0; i < USER_ID_SIZE-1; i++)\r
         client->userId[i] = userId[i];\r
-    client->userId[userIdLen] = '\0';\r
+    client->userId[USER_ID_SIZE-1] = '\0';\r
 \r
     return true;\r
 }\r