rename mfapi/apicalls/user_session.c -> mfapi/apicalls/user_get_session_token.c

mfapi/apicalls/user_get_session_token.c

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
+ *               2014 Johannes Schauer <j.schauer@email.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2, as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#define _POSIX_C_SOURCE 200809L // for strdup
+
+#include <jansson.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../../utils/http.h"
+#include "../../utils/json.h"
+#include "../../utils/strings.h"
+#include "../mfconn.h"
+#include "../apicalls.h"        // IWYU pragma: keep
+
+static int      _decode_get_session_token(mfhttp * conn, void *data);
+
+struct user_get_session_token_response {
+    uint32_t        secret_key;
+    char           *secret_time;
+    char           *session_token;
+};
+
+int
+mfconn_api_user_get_session_token(mfconn * conn, const char *server,
+                                  const char *username, const char *password,
+                                  int app_id, const char *app_key,
+                                  uint32_t * secret_key,
+                                  char **secret_time, char **session_token)
+{
+    char           *login_url;
+    char           *post_args;
+    const char     *user_signature;
+    int             retval;
+    struct user_get_session_token_response response;
+    mfhttp         *http;
+
+    if (conn == NULL)
+        return -1;
+
+    // configure url for operation
+    login_url = strdup_printf("https://%s/api/user/get_session_token.php",
+                              server);
+
+    // create user signature
+    user_signature =
+        mfconn_create_user_signature(conn, username, password, app_id,
+                                     app_key);
+
+    // FIXME: username and password have to be urlencoded (maybe using
+    // curl_easy_escape)
+    post_args = strdup_printf("email=%s"
+                              "&password=%s"
+                              "&application_id=%d"
+                              "&signature=%s"
+                              "&token_version=2"
+                              "&response_format=json",
+                              username, password, app_id, user_signature);
+    free((void *)user_signature);
+
+    http = http_create();
+    retval =
+        http_post_buf(http, login_url, post_args,
+                      _decode_get_session_token, (void *)(&response));
+    http_destroy(http);
+
+    free(login_url);
+    free(post_args);
+
+    *secret_key = response.secret_key;
+    *secret_time = response.secret_time;
+    *session_token = response.session_token;
+
+    return retval;
+}
+
+static int _decode_get_session_token(mfhttp * conn, void *user_ptr)
+{
+    json_error_t    error;
+    json_t         *root = NULL;
+    json_t         *node;
+    json_t         *session_token;
+    json_t         *secret_key;
+    json_t         *secret_time;
+    struct user_get_session_token_response *response;
+    int             retval;
+
+    if (user_ptr == NULL)
+        return -1;
+
+    response = (struct user_get_session_token_response *)user_ptr;
+
+    root = http_parse_buf_json(conn, 0, &error);
+
+    if (root == NULL) {
+        fprintf(stderr, "http_parse_buf_json failed at line %d\n", error.line);
+        fprintf(stderr, "error message: %s\n", error.text);
+        return -1;
+    }
+
+    node = json_object_by_path(root, "response");
+
+    retval = mfapi_check_response(node, "user/get_session_token");
+    if (retval != 0) {
+        fprintf(stderr, "invalid response\n");
+        json_decref(root);
+        return retval;
+    }
+
+    session_token = json_object_get(node, "session_token");
+    if (session_token == NULL) {
+        json_decref(root);
+        fprintf(stderr, "json: no /session_token content\n");
+        return -1;
+    }
+
+    response->session_token = strdup(json_string_value(session_token));
+
+    secret_key = json_object_get(node, "secret_key");
+    if (secret_key != NULL)
+        response->secret_key = atoll(json_string_value(secret_key));
+
+    /*
+       time looks like a float but we must store it as a string to
+       remain congruent with the server on decimal place presentation.
+     */
+    secret_time = json_object_get(node, "time");
+    if (secret_time != NULL)
+        response->secret_time = strdup(json_string_value(secret_time));
+
+    if (root != NULL)
+        json_decref(root);
+
+    return 0;
+}
+
+// sample user callback
+/*
+static void
+_mycallback(char *data,size_t sz,cmffile *cfile)
+{
+    double  bytes_read;
+    double  bytes_total;
+
+    bytes_read = cfile_get_rx_count(cfile);
+    bytes_total = cfile_get_rx_length(cfile);
+
+    printf("bytes read: %.0f\n\r",bytes_read);
+
+    if(bytes_read == bytes_total)
+    {
+        printf("transfer complete!\n\r");
+    }
+
+    return;
+}
+*/