From 55821a92a240b5a3fdfcc45a07535a8e143dae6c Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Tue, 6 Aug 2019 19:55:04 +0200
Subject: Have the login function return the authToken

---
 restapi/auth.c | 24 ++++++++++++------------
 restapi/auth.h |  5 +----
 2 files changed, 13 insertions(+), 16 deletions(-)

(limited to 'restapi')

diff --git a/restapi/auth.c b/restapi/auth.c
index dbe77d7..eda92a9 100644
--- a/restapi/auth.c
+++ b/restapi/auth.c
@@ -10,10 +10,11 @@
 #define USER_STR "user="
 #define PASS_STR "&password="
 
-char // returns 0 if ok, greater than 0 otherwise
+char * authToken = NULL;
+
+const char * // returns authToken if ok, NULL otherwise
 restapi_login(const char* username, const char* password)
 {
-    char ret = 0;
     http_init();
     size_t user_str_len = strlen(USER_STR);
     size_t user_len = strlen(username);
@@ -28,7 +29,7 @@ restapi_login(const char* username, const char* password)
     free(login_args);
     if (buffer == NULL) {
         fprintf(stderr, "Error while authenticating, http post didn't return any data.\n");
-        return 1;
+        return NULL;
     }
 
     cJSON* json = cJSON_Parse(buffer);
@@ -37,7 +38,6 @@ restapi_login(const char* username, const char* password)
         if (error_ptr != NULL)
             fprintf(stderr, "Json parsing error before: %s\n", error_ptr);
         fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
-        ret = 2;
         goto login_json_cleanup;
     }
 
@@ -46,37 +46,37 @@ restapi_login(const char* username, const char* password)
         cJSON* data = cJSON_GetObjectItemCaseSensitive(json, "data");
         if (!cJSON_IsObject(data)) {
             fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
-            ret = 4;
             goto login_json_cleanup;
         }
         cJSON* userId = cJSON_GetObjectItemCaseSensitive(data, "userId");
-        cJSON* authToken = cJSON_GetObjectItemCaseSensitive(data, "authToken");
-        if (!cJSON_IsString(userId) || userId->valuestring == NULL || !cJSON_IsString(authToken) || authToken->valuestring == NULL) {
+        cJSON* jauthToken = cJSON_GetObjectItemCaseSensitive(data, "authToken");
+        if (!cJSON_IsString(userId) || userId->valuestring == NULL || !cJSON_IsString(jauthToken) || jauthToken->valuestring == NULL) {
             fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
-            ret = 5;
             goto login_json_cleanup;
         }
 
-        printf("userid: %s\nauthtoken: %s\n", userId->valuestring, authToken->valuestring);
+        printf("userid: %s\nauthtoken: %s\n", userId->valuestring, jauthToken->valuestring);
         http_add_header("X-User-Id", userId->valuestring);
-        http_add_header("X-Auth-Token", authToken->valuestring);
+        http_add_header("X-Auth-Token", jauthToken->valuestring);
         http_add_header("Content-type", "application/json");
         http_add_header("Expect", "");
+        authToken = malloc(strlen(jauthToken->valuestring) + 1);
+        strcpy(authToken, jauthToken->valuestring);
     } else {
         const cJSON* msg = cJSON_GetObjectItemCaseSensitive(json, "message");
         if (cJSON_IsString(msg) && msg->valuestring != NULL)
             fprintf(stderr, "Error while authenticating: %s\n", msg->valuestring);
         else
             fprintf(stderr, "Error while authenticating.\n%s\n", buffer);
-        ret = 3;
     }
 login_json_cleanup:
     cJSON_Delete(json);
-    return ret;
+    return authToken;
 }
 
 void restapi_logout(void)
 {
     (void) http_post("/api/v1/logout", NULL);
     http_clean();
+    free(authToken);
 }
diff --git a/restapi/auth.h b/restapi/auth.h
index ce5ea10..0378095 100644
--- a/restapi/auth.h
+++ b/restapi/auth.h
@@ -1,10 +1,7 @@
 #ifndef RESTAPI_AUTH_H_
 #define RESTAPI_AUTH_H_
 
-extern char * userId;
-extern char * authToken;
-
-char // returns 0 if ok, greater than 0 otherwise
+const char * // returns authToken if ok, NULL otherwise
 restapi_login(const char* username, const char* password);
 void restapi_logout(void);
 
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