mirror of
https://github.com/ChronosX88/psyced.git
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105 lines
4.0 KiB
C
105 lines
4.0 KiB
C
/*
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current specification:
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http://tools.ietf.org/html/draft-hammer-oauth-10
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older ones:
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http://oauth.net/core/1.0a/
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http://oauth.net/core/1.0/
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*/
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#include <net.h>
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#include <tls.h>
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#include <ht/http.h>
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string consumer_key;
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string consumer_secret;
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string request_token_url;
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mapping request_params = ([ ]);
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mapping access_params = ([ ]);
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string access_token_url;
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string authorize_url;
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string callback_url = "http://" + my_lower_case_host() + ":" + HTTP_PORT + "/oauth"; //TODO: https?
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object user;
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varargs void fetch(object ua, string url, string method, mapping post, mapping oauth) {
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P3((">> oauth:fetch(%O, %O, %O)\n", url, method, oauth))
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unless (method) method = "GET";
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unless (post) post = ([]);
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unless (oauth) oauth = ([]);
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mapping get = ([]);
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string qs, base_url = url;
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if (sscanf(url, "%s?%s", base_url, qs))
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url_parse_query(get, qs);
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oauth["oauth_consumer_key"] = consumer_key;
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string token;
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if (token = access_params["oauth_token"] || request_params["oauth_token"])
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oauth["oauth_token"] = token;
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string token_secret = access_params["oauth_token_secret"] || request_params["oauth_token_secret"] || "";
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oauth["oauth_timestamp"] = time();
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oauth["oauth_nonce"] = sprintf("%x", random(oauth["oauth_timestamp"] ^ 98987));
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oauth["oauth_signature_method"] = "HMAC-SHA1";
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oauth["oauth_version"] = "1.0";
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P3(("token: %O, token_secret: %O, access: %O, request: %O\n", token, token_secret, access_params, request_params))
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string base_str = method + "&" + urlencode(base_url) + "&" + urlencode(make_query_string(get + post + oauth, 1));
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oauth["oauth_signature"] = hmac_base64(TLS_HASH_SHA1, urlencode(consumer_secret) + "&" + urlencode(token_secret), base_str);
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string p = "";
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foreach (string key, string value : oauth)
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p += (strlen(p) ? "," : "") + key + "=\"" + urlencode(to_string(value)) + "\"";
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ua->fetch(url, method, post, (["authorization": "OAuth " + p]));
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}
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void parse_request_token(string body, mapping headers, int http_status) {
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P3((">> oauth:parse_request_token(%O, %O, %O)\n", body, headers, http_status))
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if (http_status == R_OK) {
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request_params = ([]);
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url_parse_query(request_params, body);
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if (strlen(request_params["oauth_token"]) && strlen(request_params["oauth_token_secret"])) {
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shared_memory("oauth_request_tokens")[request_params["oauth_token"]] = ME;
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sendmsg(user, "_notice_oauth_authorize_url", "Open [_url] to perform authorization.",
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(["_url": authorize_url + "?oauth_token=" + request_params["oauth_token"]]));
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return;
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}
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}
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sendmsg(user, "_error_oauth_token_request", "OAuth failed: could not get a request token.");
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}
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void parse_access_token(string body, mapping headers, int http_status) {
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P3((">> oauth:parse_access_token(%O, %O, %O)\n", body, headers, http_status))
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if (http_status == R_OK) {
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access_params = ([]);
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url_parse_query(access_params, body);
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if (strlen(access_params["oauth_token"]) && strlen(access_params["oauth_token_secret"])) {
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sendmsg(user, "_notice_oauth_success", "OAuth successful.");
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return;
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}
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}
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sendmsg(user, "_error_oauth_token_access", "OAuth failed: could not get an access token.");
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}
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void verified(string verifier) {
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P3((">> oauth:verified(%O)\n", verifier))
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object ua = clone_object(NET_PATH "http/fetch");
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ua->content(#'parse_access_token, 1, 1); //');
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fetch(ua, access_token_url, "POST", 0, (["oauth_verifier": verifier]));
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}
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object load(object usr, string key, string secret, string request, string access, string authorize) {
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if (usr) user = usr;
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if (key) consumer_key = key;
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if (secret) consumer_secret = secret;
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if (request) request_token_url = request;
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if (access) access_token_url = access;
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if (authorize) authorize_url = authorize;
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if (request_token_url && user) {
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object ua = clone_object(NET_PATH "http/fetch");
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ua->content(#'parse_request_token, 1, 1); //');
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fetch(ua, request_token_url, "POST", 0, (["oauth_callback": callback_url]));
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}
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return ME;
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}
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