138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <curl/curl.h>
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#include <readline/readline.h>
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#include <json-c/json.h>
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size_t
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write_data(void *buffer, size_t size, size_t nmemb, void *userp)
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{
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memcpy(userp,buffer,nmemb*size);
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return 0;
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}
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void
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store_config(const char *instance, const char *client_id,
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const char *client_secret, const char *access_token)
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{
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FILE *fp = fopen(".demiurgerc","w+");
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fprintf(fp,"%s=%s\n","instance",instance);
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fprintf(fp,"%s=%s\n","client_id",client_id);
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fprintf(fp,"%s=%s\n","client_secret",client_secret);
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fprintf(fp,"%s=%s\n","access_token",access_token);
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fclose(fp);
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}
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/* I am confident to present you, without a doubt, the worst code i've
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* ever written */
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int
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setup()
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{
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char *instance = NULL;
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instance = readline("Enter your instance (e.g. https://social.fnord.tld) ");
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char *api_url = "/api/v1/apps";
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CURL *curl = curl_easy_init();
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struct json_object *parsed_json;
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struct json_object *json_client_id;
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struct json_object *json_client_secret;
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struct json_object *json_access_token;
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if(curl == NULL) {
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fprintf(stderr,"Error creating curl (what?)\n");
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return -1;
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}
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int len = strlen(instance) + strlen(api_url) + 1;
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char buf[8192];
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char *post_url = (char*)malloc(len);
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if(post_url == NULL) {
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fprintf(stderr,"Error allocating memory\n");
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return -1;
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}
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sprintf(post_url,"%s%s",instance,api_url);
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curl_easy_setopt(curl,CURLOPT_URL, post_url);
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curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl,CURLOPT_WRITEDATA,buf);
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/* TODO: Better way lol */
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curl_easy_setopt(curl,CURLOPT_POSTFIELDS,
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"client_name=demiurge&redirect_uris=urn:ietf:wg:oauth:2.0:oob&scope=read write");
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CURLcode res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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parsed_json = json_tokener_parse(buf);
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if(parsed_json == NULL) {
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fprintf(stderr,"error\n");
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return -1;
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}
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json_object_object_get_ex(parsed_json, "client_id", &json_client_id);
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json_object_object_get_ex(parsed_json, "client_secret", &json_client_secret);
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const char *client_id = json_object_get_string(json_client_id);
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const char *client_secret = json_object_get_string(json_client_secret);
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char *fmt = "%s%sresonse_type=code&client_id=%s&redirect_uri=urn:ietf:wg:oauth:2.0:oob&force_login&scope=read write";
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api_url = "/oauth/authorize?";
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len = strlen(instance) + strlen(api_url)+ strlen(fmt) + strlen(client_id) + 1;
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free(post_url);
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post_url = (char*)malloc(len);
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if(post_url == NULL) {
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fprintf(stderr,"Error allocating memory\n");
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return -1;
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}
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sprintf(post_url,fmt,instance,api_url,client_id);
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puts(post_url);
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curl = curl_easy_init();
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char *code = NULL;
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code = readline("Please log in in that url and paste the code here: ");
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char *access_token_fmt = "client_id=%s&client_secret=%s&redirect_uri=urn:ietf:wg:oauth:2.0:oob&grant_type=authorization_code&code=%s&scope=read write";
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api_url = "/oauth/token";
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char *post_token_url = (char*)malloc(strlen(access_token_fmt) + strlen(client_id)
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+ strlen(client_secret ) + strlen(code) + 3);
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if(post_token_url == NULL) {
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fprintf(stderr,"Error allocating memory");
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return -1;
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}
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sprintf(post_token_url, access_token_fmt,client_id,client_secret,code);
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len = strlen(instance) + strlen(api_url) + 1;
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post_url = (char*)malloc(len);
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if(post_url == NULL) {
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fprintf(stderr,"Error allocating memory");
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return -1;
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}
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sprintf(post_url,"%s%s",instance,api_url);
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curl_easy_setopt(curl, CURLOPT_URL,post_url);
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curl_easy_setopt(curl,CURLOPT_POSTFIELDS, post_token_url);
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curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl,CURLOPT_WRITEDATA,buf);
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curl_easy_perform(curl);
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parsed_json = json_tokener_parse(buf);
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json_object_object_get_ex(parsed_json, "access_token", &json_access_token);
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const char *access_token = json_object_get_string(json_access_token);
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store_config(instance,client_id,client_secret,access_token);
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return 0;
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}
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