From 1bec937076d8d40f94ff4603479f21bca2de6c61 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Sun, 4 Aug 2019 11:03:38 +0200
Subject: Added http lib and basic restapi with rocket_close_im binary

---
 restapi/auth.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 restapi/auth.c

(limited to 'restapi/auth.c')

diff --git a/restapi/auth.c b/restapi/auth.c
new file mode 100644
index 0000000..e3f1b74
--- /dev/null
+++ b/restapi/auth.c
@@ -0,0 +1,80 @@
+#include <cjson/cJSON.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "auth.h"
+#include "common/config.h"
+#include "common/http.h"
+
+#define USER_STR "user="
+#define PASS_STR "&password="
+
+char // returns 0 if ok, greater than 0 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);
+    size_t pass_str_len = strlen(PASS_STR);
+    size_t pass_len = strlen(password);
+    char* login_args = malloc(user_str_len + user_len + pass_str_len + pass_len + 1);
+    strcpy(login_args, USER_STR);
+    strcpy(login_args + user_str_len, username);
+    strcpy(login_args + user_str_len + user_len, PASS_STR);
+    strcpy(login_args + user_str_len + user_len + pass_str_len, password);
+    const char* buffer = http_post("/api/v1/login", login_args);
+    free(login_args);
+    if (buffer == NULL) {
+        fprintf(stderr, "Error while authenticating, http post didn't return any data.\n");
+        return 1;
+    }
+
+    cJSON* json = cJSON_Parse(buffer);
+    if (json == NULL) {
+        const char *error_ptr = cJSON_GetErrorPtr();
+        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;
+    }
+
+    const cJSON* status = cJSON_GetObjectItemCaseSensitive(json, "status");
+    if (cJSON_IsString(status) && status->valuestring != NULL && strcmp(status->valuestring, "success") == 0) {
+        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) {
+            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);
+        http_add_header("X-User-Id", userId->valuestring);
+        http_add_header("X-Auth-Token", authToken->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;
+}
+
+void restapi_logout(void)
+{
+    (void) http_post("/api/v1/logout", NULL);
+    http_clean();
+}
-- 
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