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-rw-r--r--src/follow.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/follow.c b/src/follow.c
new file mode 100644
index 0000000..1339558
--- /dev/null
+++ b/src/follow.c
@@ -0,0 +1,164 @@
+/*
+ This file is part of demiurge.
+
+ demiurge is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ demiurge 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 demiurge. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <curl/curl.h>
+#include <json-c/json.h>
+#include <string.h>
+#include "util.h"
+#include "asprintf.h"
+
+char *
+get_account_id(char *name)
+{
+ char instance[50];
+ char client_id[50];
+ char client_secret[50];
+ char access_token[50];
+
+ get_tokens_from_file(
+ ".demiurgerc", instance, client_id, client_secret, access_token);
+ CURL *curl = curl_easy_init();
+ if(curl == NULL) {
+ fprintf(stderr, "Error creating libcurl thing\n");
+ return NULL;
+ }
+ char *api_url_fmt = "%s/api/v1/accounts/%s/";
+ char *api_url;
+ dm_asprintf(&api_url, api_url_fmt, instance, name);
+ struct json_object *parsed_json;
+ struct json_object *account_id;
+
+ /* For some reason I don't understand, you can't get users remote
+ users withotu authorization. So I have to pass the
+ authorization header. */
+
+ char *header_fmt = "Authorization: Bearer %s";
+ char *authorization_header = NULL;
+ struct curl_slist *header_list = NULL;
+
+ dm_asprintf(&authorization_header, header_fmt, access_token);
+ header_list = curl_slist_append(header_list, authorization_header);
+
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
+
+ /* Curl options */
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
+ curl_easy_setopt(curl, CURLOPT_URL, api_url);
+ /* Create buffer for the result */
+
+ struct memory chunk = { 0 };
+
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, cb);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
+
+ /* free */
+
+ curl_easy_perform(curl);
+ curl_easy_cleanup(curl);
+ free(api_url);
+ free(authorization_header);
+ curl_slist_free_all(header_list);
+ /* parse the thing */
+
+ parsed_json = json_tokener_parse(chunk.response);
+ json_object_object_get_ex(parsed_json, "id", &account_id);
+
+ /* keep freeing */
+ char *str = (char *)json_object_get_string(account_id);
+ char *return_str = malloc(strlen(str + 1));
+ strcpy(return_str, str); // strdup() segfaults for some reason
+ json_object_put(parsed_json);
+ free(chunk.response);
+ return return_str;
+}
+
+int
+follow_account(char *id)
+{
+ char instance[50];
+ char client_id[50];
+ char client_secret[50];
+ char access_token[50];
+ get_tokens_from_file(
+ ".demiurgerc", instance, client_id, client_secret, access_token);
+ CURL *curl = curl_easy_init();
+ if(curl == NULL) {
+ fprintf(stderr, "Error creating libcurl thing\n");
+ return -1;
+ }
+ char *api_url_fmt = "%s/api/v1/accounts/%s/follow";
+ char *api_url;
+ dm_asprintf(&api_url, api_url_fmt, instance, id);
+
+ char *header_fmt = "Authorization: Bearer %s";
+ char *authorization_header = NULL;
+ struct curl_slist *header_list = NULL;
+
+ dm_asprintf(&authorization_header, header_fmt, access_token);
+ header_list = curl_slist_append(header_list, authorization_header);
+
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
+ curl_easy_setopt(curl, CURLOPT_POST, 1L);
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "");
+ curl_easy_setopt(curl, CURLOPT_URL, api_url);
+ curl_easy_perform(curl);
+ curl_easy_cleanup(curl);
+
+ curl_slist_free_all(header_list);
+ return 0;
+}
+
+/* TODO: merge */
+
+int
+unfollow_account(char *id)
+{
+ char instance[50];
+ char client_id[50];
+ char client_secret[50];
+ char access_token[50];
+ get_tokens_from_file(
+ ".demiurgerc", instance, client_id, client_secret, access_token);
+ CURL *curl = curl_easy_init();
+ if(curl == NULL) {
+ fprintf(stderr, "Error creating libcurl thing\n");
+ return -1;
+ }
+ char *api_url_fmt = "%s/api/v1/accounts/%s/unfollow";
+ char *api_url;
+ dm_asprintf(&api_url, api_url_fmt, instance, id);
+
+ char *header_fmt = "Authorization: Bearer %s";
+ char *authorization_header = NULL;
+ struct curl_slist *header_list = NULL;
+
+ dm_asprintf(&authorization_header, header_fmt, access_token);
+ header_list = curl_slist_append(header_list, authorization_header);
+
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
+ curl_easy_setopt(curl, CURLOPT_POST, 1L);
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "");
+ curl_easy_setopt(curl, CURLOPT_URL, api_url);
+ curl_easy_perform(curl);
+ /* free */
+ free(api_url);
+ free(authorization_header);
+ curl_easy_cleanup(curl);
+ curl_slist_free_all(header_list);
+ return 0;
+}