/*
- * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2008-2011 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2009 Bart Trojanowski <bart@jukie.net>
+ * Copyright (C) 2009-2010 Amir Mohammad Saied <amirsaied@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
+#define _GNU_SOURCE
+
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <curl/curl.h>
-#include <readline/readline.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <pcre.h>
-#include "bti_version.h"
-
+#include <termios.h>
+#include <dlfcn.h>
+#include <oauth.h>
+#include "bti.h"
#define zalloc(size) calloc(size, 1)
} while (0)
-static int debug;
+int debug;
-enum host {
- HOST_TWITTER = 0,
- HOST_IDENTICA = 1,
-};
+static void display_help(void)
+{
+ fprintf(stdout, "bti - send tweet to twitter or identi.ca\n"
+ "Version: %s\n"
+ "Usage:\n"
+ " bti [options]\n"
+ "options are:\n"
+ " --account accountname\n"
+ " --password password\n"
+ " --action action\n"
+ " ('update', 'friends', 'public', 'replies', or 'user')\n"
+ " --user screenname\n"
+ " --group groupname\n"
+ " --proxy PROXY:PORT\n"
+ " --host HOST\n"
+ " --logfile logfile\n"
+ " --config configfile\n"
+ " --replyto ID\n"
+ " --retweet ID\n"
+ " --shrink-urls\n"
+ " --page PAGENUMBER\n"
+ " --column COLUMNWIDTH\n"
+ " --bash\n"
+ " --background\n"
+ " --debug\n"
+ " --verbose\n"
+ " --dry-run\n"
+ " --version\n"
+ " --help\n", VERSION);
+}
-enum action {
- ACTION_UPDATE = 0,
- ACTION_FRIENDS = 1,
- ACTION_USER = 2,
- ACTION_REPLIES = 4,
- ACTION_PUBLIC = 8,
- ACTION_UNKNOWN = 16
-};
+static void display_version(void)
+{
+ fprintf(stdout, "bti - version %s\n", VERSION);
+}
-struct session {
- char *password;
- char *account;
- char *tweet;
- char *proxy;
- char *time;
- char *homedir;
- char *logfile;
- char *user;
- int bash;
- int shrink_urls;
- int dry_run;
- int page;
- enum host host;
- enum action action;
-};
-
-struct bti_curl_buffer {
- char *data;
- enum action action;
- int length;
-};
+static char *get_string(const char *name)
+{
+ char *temp;
+ char *string;
-static void display_help(void)
+ string = zalloc(1000);
+ if (!string)
+ exit(1);
+ if (name != NULL)
+ fprintf(stdout, "%s", name);
+ if (!fgets(string, 999, stdin))
+ return NULL;
+ temp = strchr(string, '\n');
+ if (temp)
+ *temp = '\0';
+ return string;
+}
+
+/*
+ * Try to get a handle to a readline function from a variety of different
+ * libraries. If nothing is present on the system, then fall back to an
+ * internal one.
+ *
+ * Logic originally based off of code in the e2fsutils package in the
+ * lib/ss/get_readline.c file, which is licensed under the MIT license.
+ *
+ * This keeps us from having to relicense the bti codebase if readline
+ * ever changes its license, as there is no link-time dependency.
+ * It is a run-time thing only, and we handle any readline-like library
+ * in the same manner, making bti not be a derivative work of any
+ * other program.
+ */
+static void session_readline_init(struct session *session)
{
- fprintf(stdout, "bti - send tweet to twitter or identi.ca\n");
- fprintf(stdout, "Version: " BTI_VERSION "\n");
- fprintf(stdout, "Usage:\n");
- fprintf(stdout, " bti [options]\n");
- fprintf(stdout, "options are:\n");
- fprintf(stdout, " --account accountname\n");
- fprintf(stdout, " --password password\n");
- fprintf(stdout, " --action action\n");
- fprintf(stdout, " ('update', 'friends', 'public', 'replies' "
- "or 'user')\n");
- fprintf(stdout, " --user screenname\n");
- fprintf(stdout, " --proxy PROXY:PORT\n");
- fprintf(stdout, " --host HOST\n");
- fprintf(stdout, " --logfile logfile\n");
- fprintf(stdout, " --shrink-urls\n");
- fprintf(stdout, " --page PAGENUMBER\n");
- fprintf(stdout, " --bash\n");
- fprintf(stdout, " --debug\n");
- fprintf(stdout, " --version\n");
- fprintf(stdout, " --help\n");
+ /* Libraries we will try to use for readline/editline functionality */
+ const char *libpath = "libreadline.so.6:libreadline.so.5:"
+ "libreadline.so.4:libreadline.so:libedit.so.2:"
+ "libedit.so:libeditline.so.0:libeditline.so";
+ void *handle = NULL;
+ char *tmp, *cp, *next;
+ int (*bind_key)(int, void *);
+ void (*insert)(void);
+
+ /* default to internal function if we can't or won't find anything */
+ session->readline = get_string;
+ if (!isatty(0))
+ return;
+ session->interactive = 1;
+
+ tmp = malloc(strlen(libpath)+1);
+ if (!tmp)
+ return;
+ strcpy(tmp, libpath);
+ for (cp = tmp; cp; cp = next) {
+ next = strchr(cp, ':');
+ if (next)
+ *next++ = 0;
+ if (*cp == 0)
+ continue;
+ handle = dlopen(cp, RTLD_NOW);
+ if (handle) {
+ dbg("Using %s for readline library\n", cp);
+ break;
+ }
+ }
+ free(tmp);
+ if (!handle) {
+ dbg("No readline library found.\n");
+ return;
+ }
+
+ session->readline_handle = handle;
+ session->readline = (char *(*)(const char *))dlsym(handle, "readline");
+ if (session->readline == NULL) {
+ /* something odd happened, default back to internal stuff */
+ session->readline_handle = NULL;
+ session->readline = get_string;
+ return;
+ }
+
+ /*
+ * If we found a library, turn off filename expansion
+ * as that makes no sense from within bti.
+ */
+ bind_key = (int (*)(int, void *))dlsym(handle, "rl_bind_key");
+ insert = (void (*)(void))dlsym(handle, "rl_insert");
+ if (bind_key && insert)
+ bind_key('\t', insert);
}
-static void display_version(void)
+static void session_readline_cleanup(struct session *session)
{
- fprintf(stdout, "bti - version %s\n", BTI_VERSION);
+ if (session->readline_handle)
+ dlclose(session->readline_handle);
}
static struct session *session_alloc(void)
{
if (!session)
return;
+ free(session->retweet);
+ free(session->replyto);
free(session->password);
free(session->account);
+ free(session->consumer_key);
+ free(session->consumer_secret);
+ free(session->access_token_key);
+ free(session->access_token_secret);
free(session->tweet);
free(session->proxy);
free(session->time);
free(session->homedir);
free(session->user);
+ free(session->group);
+ free(session->hosturl);
+ free(session->hostname);
+ free(session->configfile);
free(session);
}
free(buffer);
}
-static const char *twitter_user_url = "http://twitter.com/statuses/user_timeline/";
-static const char *twitter_update_url = "https://twitter.com/statuses/update.xml";
-static const char *twitter_public_url = "http://twitter.com/statuses/public_timeline.xml";
-static const char *twitter_friends_url = "https://twitter.com/statuses/friends_timeline.xml";
-static const char *twitter_replies_url = "http://twitter.com/statuses/replies.xml";
-
-static const char *identica_user_url = "http://identi.ca/api/statuses/user_timeline/";
-static const char *identica_update_url = "http://identi.ca/api/statuses/update.xml";
-static const char *identica_public_url = "http://identi.ca/api/statuses/public_timeline.xml";
-static const char *identica_friends_url = "http://identi.ca/api/statuses/friends_timeline.xml";
-static const char *identica_replies_url = "http://identi.ca/api/statuses/replies.xml";
+const char twitter_host[] = "http://api.twitter.com/1/statuses";
+const char identica_host[] = "https://identi.ca/api/statuses";
+const char twitter_name[] = "twitter";
+const char identica_name[] = "identi.ca";
+
+static const char twitter_request_token_uri[] = "http://twitter.com/oauth/request_token";
+static const char twitter_access_token_uri[] = "http://twitter.com/oauth/access_token";
+static const char twitter_authorize_uri[] = "http://twitter.com/oauth/authorize?oauth_token=";
+static const char identica_request_token_uri[] = "http://identi.ca/api/oauth/request_token?oauth_callback=oob";
+static const char identica_access_token_uri[] = "http://identi.ca/api/oauth/access_token";
+static const char identica_authorize_uri[] = "http://identi.ca/api/oauth/authorize?oauth_token=";
+
+static const char user_uri[] = "/user_timeline/";
+static const char update_uri[] = "/update.xml";
+static const char public_uri[] = "/public_timeline.xml";
+static const char friends_uri[] = "/friends_timeline.xml";
+static const char mentions_uri[] = "/mentions.xml";
+static const char replies_uri[] = "/replies.xml";
+static const char retweet_uri[] = "/retweet/";
+static const char group_uri[] = "/../statusnet/groups/timeline/";
+
+static const char config_default[] = "/etc/bti";
+static const char config_user_default[] = ".bti";
static CURL *curl_init(void)
{
return curl;
}
-void parse_statuses(xmlDocPtr doc, xmlNodePtr current)
+/* The final place data is sent to the screen/pty/tty */
+static void bti_output_line(struct session *session, xmlChar *user,
+ xmlChar *id, xmlChar *created, xmlChar *text)
+{
+ if (session->verbose)
+ printf("[%*s] {%s} (%.16s) %s\n", -session->column_output, user,
+ id, created, text);
+ else
+ printf("[%*s] %s\n", -session->column_output, user, text);
+}
+
+static void parse_statuses(struct session *session,
+ xmlDocPtr doc, xmlNodePtr current)
{
xmlChar *text = NULL;
xmlChar *user = NULL;
+ xmlChar *created = NULL;
+ xmlChar *id = NULL;
xmlNodePtr userinfo;
current = current->xmlChildrenNode;
while (current != NULL) {
if (current->type == XML_ELEMENT_NODE) {
+ if (!xmlStrcmp(current->name, (const xmlChar *)"created_at"))
+ created = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
if (!xmlStrcmp(current->name, (const xmlChar *)"text"))
text = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
+ if (!xmlStrcmp(current->name, (const xmlChar *)"id"))
+ id = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
if (!xmlStrcmp(current->name, (const xmlChar *)"user")) {
userinfo = current->xmlChildrenNode;
while (userinfo != NULL) {
userinfo = userinfo->next;
}
}
- if (user && text) {
- printf("[%s] %s\n", user, text);
+
+ if (user && text && created && id) {
+ bti_output_line(session, user, id,
+ created, text);
xmlFree(user);
xmlFree(text);
+ xmlFree(created);
+ xmlFree(id);
user = NULL;
text = NULL;
+ created = NULL;
+ id = NULL;
}
}
current = current->next;
return;
}
-static void parse_timeline(char *document)
+static void parse_timeline(char *document, struct session *session)
{
xmlDocPtr doc;
xmlNodePtr current;
current = current->xmlChildrenNode;
while (current != NULL) {
if ((!xmlStrcmp(current->name, (const xmlChar *)"status")))
- parse_statuses(doc, current);
+ parse_statuses(session, doc, current);
current = current->next;
}
xmlFreeDoc(doc);
return;
}
-size_t curl_callback(void *buffer, size_t size, size_t nmemb, void *userp)
+static size_t curl_callback(void *buffer, size_t size, size_t nmemb,
+ void *userp)
{
struct bti_curl_buffer *curl_buf = userp;
size_t buffer_size = size * nmemb;
memcpy(&curl_buf->data[curl_buf->length], (char *)buffer, buffer_size);
curl_buf->length += buffer_size;
if (curl_buf->action)
- parse_timeline(curl_buf->data);
+ parse_timeline(curl_buf->data, curl_buf->session);
dbg("%s\n", curl_buf->data);
return buffer_size;
}
+static int parse_osp_reply(const char *reply, char **token, char **secret)
+{
+ int rc;
+ int retval = 1;
+ char **rv = NULL;
+ rc = oauth_split_url_parameters(reply, &rv);
+ qsort(rv, rc, sizeof(char *), oauth_cmpstringp);
+ if (rc == 2 || rc == 4) {
+ if (!strncmp(rv[0], "oauth_token=", 11) &&
+ !strncmp(rv[1], "oauth_token_secret=", 18)) {
+ if (token)
+ *token = strdup(&(rv[0][12]));
+ if (secret)
+ *secret = strdup(&(rv[1][19]));
+
+ retval = 0;
+ }
+ } else if (rc == 3) {
+ if (!strncmp(rv[1], "oauth_token=", 11) &&
+ !strncmp(rv[2], "oauth_token_secret=", 18)) {
+ if (token)
+ *token = strdup(&(rv[1][12]));
+ if (secret)
+ *secret = strdup(&(rv[2][19]));
+
+ retval = 0;
+ }
+ }
+
+ dbg("token: %s\n", *token);
+ dbg("secret: %s\n", *secret);
+
+ if (rv)
+ free(rv);
+
+ return retval;
+}
+
+static int request_access_token(struct session *session)
+{
+ char *post_params = NULL;
+ char *request_url = NULL;
+ char *reply = NULL;
+ char *at_key = NULL;
+ char *at_secret = NULL;
+ char *verifier = NULL;
+ char at_uri[90];
+
+ if (!session)
+ return -EINVAL;
+
+ if (session->host == HOST_TWITTER)
+ request_url = oauth_sign_url2(
+ twitter_request_token_uri, NULL,
+ OA_HMAC, NULL, session->consumer_key,
+ session->consumer_secret, NULL, NULL);
+ else if (session->host == HOST_IDENTICA)
+ request_url = oauth_sign_url2(
+ identica_request_token_uri, NULL,
+ OA_HMAC, NULL, session->consumer_key,
+ session->consumer_secret, NULL, NULL);
+ reply = oauth_http_get(request_url, post_params);
+
+ if (request_url)
+ free(request_url);
+
+ if (post_params)
+ free(post_params);
+
+ if (!reply)
+ return 1;
+
+ if (parse_osp_reply(reply, &at_key, &at_secret))
+ return 1;
+
+ free(reply);
+
+ fprintf(stdout,
+ "Please open the following link in your browser, and "
+ "allow 'bti' to access your account. Then paste "
+ "back the provided PIN in here.\n");
+ if (session->host == HOST_TWITTER) {
+ fprintf(stdout, "%s%s\nPIN: ", twitter_authorize_uri, at_key);
+ verifier = session->readline(NULL);
+ sprintf(at_uri, "%s?oauth_verifier=%s",
+ twitter_access_token_uri, verifier);
+ } else if (session->host == HOST_IDENTICA) {
+ fprintf(stdout, "%s%s\nPIN: ", identica_authorize_uri, at_key);
+ verifier = session->readline(NULL);
+ sprintf(at_uri, "%s?oauth_verifier=%s",
+ identica_access_token_uri, verifier);
+ }
+ request_url = oauth_sign_url2(at_uri, NULL, OA_HMAC, NULL,
+ session->consumer_key,
+ session->consumer_secret,
+ at_key, at_secret);
+ reply = oauth_http_get(request_url, post_params);
+
+ if (!reply)
+ return 1;
+
+ if (parse_osp_reply(reply, &at_key, &at_secret))
+ return 1;
+
+ free(reply);
+
+ fprintf(stdout,
+ "Please put these two lines in your bti "
+ "configuration file (~/.bti):\n"
+ "access_token_key=%s\n"
+ "access_token_secret=%s\n",
+ at_key, at_secret);
+
+ return 0;
+}
+
static int send_request(struct session *session)
{
+ char endpoint[500];
char user_password[500];
char data[500];
- /* is there usernames longer than 22 chars? */
- char user_url[70];
struct bti_curl_buffer *curl_buf;
CURL *curl = NULL;
CURLcode res;
struct curl_httppost *formpost = NULL;
struct curl_httppost *lastptr = NULL;
struct curl_slist *slist = NULL;
+ char *req_url = NULL;
+ char *reply = NULL;
+ char *postarg = NULL;
+ char *escaped_tweet = NULL;
+ int is_post = 0;
if (!session)
return -EINVAL;
- curl_buf = bti_curl_buffer_alloc(session->action);
- if (!curl_buf)
- return -ENOMEM;
+ if (!session->hosturl)
+ session->hosturl = strdup(twitter_host);
- curl = curl_init();
- if (!curl)
- return -EINVAL;
+ if (session->no_oauth || session->guest) {
+ curl_buf = bti_curl_buffer_alloc(session->action);
+ if (!curl_buf)
+ return -ENOMEM;
+ curl_buf->session = session;
- switch (session->action) {
- case ACTION_UPDATE:
- snprintf(user_password, sizeof(user_password), "%s:%s",
- session->account, session->password);
- snprintf(data, sizeof(data), "status=\"%s\"", session->tweet);
- curl_formadd(&formpost, &lastptr,
- CURLFORM_COPYNAME, "status",
- CURLFORM_COPYCONTENTS, session->tweet,
- CURLFORM_END);
-
- curl_formadd(&formpost, &lastptr,
- CURLFORM_COPYNAME, "source",
- CURLFORM_COPYCONTENTS, "bti",
- CURLFORM_END);
-
- curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
- slist = curl_slist_append(slist, "Expect:");
- curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
- switch (session->host) {
- case HOST_TWITTER:
- curl_easy_setopt(curl, CURLOPT_URL,
- twitter_update_url);
- break;
- case HOST_IDENTICA:
- curl_easy_setopt(curl, CURLOPT_URL,
- identica_update_url);
- break;
- }
- curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+ curl = curl_init();
+ if (!curl)
+ return -EINVAL;
- break;
- case ACTION_FRIENDS:
- snprintf(user_password, sizeof(user_password), "%s:%s",
- session->account, session->password);
- switch (session->host) {
- case HOST_TWITTER:
- sprintf(user_url, "%s?page=%d", twitter_friends_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+ if (!session->hosturl)
+ session->hosturl = strdup(twitter_host);
+
+ switch (session->action) {
+ case ACTION_UPDATE:
+ snprintf(user_password, sizeof(user_password), "%s:%s",
+ session->account, session->password);
+ snprintf(data, sizeof(data), "status=\"%s\"",
+ session->tweet);
+ curl_formadd(&formpost, &lastptr,
+ CURLFORM_COPYNAME, "status",
+ CURLFORM_COPYCONTENTS, session->tweet,
+ CURLFORM_END);
+
+ curl_formadd(&formpost, &lastptr,
+ CURLFORM_COPYNAME, "source",
+ CURLFORM_COPYCONTENTS, "bti",
+ CURLFORM_END);
+
+ if (session->replyto)
+ curl_formadd(&formpost, &lastptr,
+ CURLFORM_COPYNAME,
+ "in_reply_to_status_id",
+ CURLFORM_COPYCONTENTS,
+ session->replyto,
+ CURLFORM_END);
+
+ curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+ slist = curl_slist_append(slist, "Expect:");
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+
+ sprintf(endpoint, "%s%s", session->hosturl, update_uri);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+ curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
break;
- case HOST_IDENTICA:
- sprintf(user_url, "%s?page=%d", identica_friends_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
- break;
- }
- curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
- break;
- case ACTION_USER:
- switch (session->host) {
- case HOST_TWITTER:
- sprintf(user_url, "%s%s.xml?page=%d", twitter_user_url, session->user, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+ case ACTION_FRIENDS:
+ snprintf(user_password, sizeof(user_password), "%s:%s",
+ session->account, session->password);
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ friends_uri, session->page);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+ curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
break;
- case HOST_IDENTICA:
- sprintf(user_url, "%s%s.xml?page=%d", identica_user_url, session->user, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+
+ case ACTION_USER:
+ sprintf(endpoint, "%s%s%s.xml?page=%d", session->hosturl,
+ user_uri, session->user, session->page);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
break;
- }
- break;
- case ACTION_REPLIES:
- snprintf(user_password, sizeof(user_password), "%s:%s",
- session->account, session->password);
- switch (session->host) {
- case HOST_TWITTER:
- sprintf(user_url, "%s?page=%d", twitter_replies_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+ case ACTION_REPLIES:
+ snprintf(user_password, sizeof(user_password), "%s:%s",
+ session->account, session->password);
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ replies_uri, session->page);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+ curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
break;
- case HOST_IDENTICA:
- sprintf(user_url, "%s?page=%d", identica_replies_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+
+ case ACTION_PUBLIC:
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ public_uri, session->page);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
break;
- }
- curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
- break;
- case ACTION_PUBLIC:
- switch (session->host) {
- case HOST_TWITTER:
- sprintf(user_url, "%s?page=%d", twitter_public_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+ case ACTION_GROUP:
+ sprintf(endpoint, "%s%s%s.xml?page=%d",
+ session->hosturl, group_uri, session->group,
+ session->page);
+ curl_easy_setopt(curl, CURLOPT_URL, endpoint);
break;
- case HOST_IDENTICA:
- sprintf(user_url, "%s?page=%d", identica_public_url, session->page);
- curl_easy_setopt(curl, CURLOPT_URL, user_url);
+
+ default:
break;
}
- break;
- default:
- break;
- }
+ if (session->proxy)
+ curl_easy_setopt(curl, CURLOPT_PROXY, session->proxy);
+
+ if (debug)
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+
+ dbg("user_password = %s\n", user_password);
+ dbg("data = %s\n", data);
+ dbg("proxy = %s\n", session->proxy);
+
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl_buf);
+ if (!session->dry_run) {
+ res = curl_easy_perform(curl);
+ if (!session->background) {
+ xmlDocPtr doc;
+ xmlNodePtr current;
+
+ if (res) {
+ fprintf(stderr, "error(%d) trying to "
+ "perform operation\n", res);
+ return -EINVAL;
+ }
- if (session->proxy)
- curl_easy_setopt(curl, CURLOPT_PROXY, session->proxy);
+ doc = xmlReadMemory(curl_buf->data,
+ curl_buf->length,
+ "response.xml", NULL,
+ XML_PARSE_NOERROR);
+ if (doc == NULL)
+ return -EINVAL;
+
+ current = xmlDocGetRootElement(doc);
+ if (current == NULL) {
+ fprintf(stderr, "empty document\n");
+ xmlFreeDoc(doc);
+ return -EINVAL;
+ }
- if (debug)
- curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
-
- dbg("user_password = %s\n", user_password);
- dbg("data = %s\n", data);
- dbg("proxy = %s\n", session->proxy);
-
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_callback);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl_buf);
- if (!session->dry_run) {
- res = curl_easy_perform(curl);
- if (res && !session->bash) {
- fprintf(stderr, "error(%d) trying to perform "
- "operation\n", res);
- return -EINVAL;
- }
- }
+ if (xmlStrcmp(current->name, (const xmlChar *)"status")) {
+ fprintf(stderr, "unexpected document type\n");
+ xmlFreeDoc(doc);
+ return -EINVAL;
+ }
- curl_easy_cleanup(curl);
- if (session->action == ACTION_UPDATE)
- curl_formfree(formpost);
- bti_curl_buffer_free(curl_buf);
- return 0;
-}
+ xmlFreeDoc(doc);
+ }
+ }
-static void parse_configfile(struct session *session)
-{
- FILE *config_file;
- char *line = NULL;
- size_t len = 0;
- char *account = NULL;
- char *password = NULL;
- char *host = NULL;
- char *proxy = NULL;
- char *logfile = NULL;
- char *action = NULL;
- char *user = NULL;
- char *file;
- int shrink_urls = 0;
-
- /* config file is ~/.bti */
- file = alloca(strlen(session->homedir) + 7);
-
- sprintf(file, "%s/.bti", session->homedir);
-
- config_file = fopen(file, "r");
-
- /* No error if file does not exist or is unreadable. */
- if (config_file == NULL)
- return;
+ curl_easy_cleanup(curl);
+ if (session->action == ACTION_UPDATE)
+ curl_formfree(formpost);
+ bti_curl_buffer_free(curl_buf);
+ } else {
+ switch (session->action) {
+ case ACTION_UPDATE:
+ escaped_tweet = oauth_url_escape(session->tweet);
+ if (session->replyto) {
+ sprintf(endpoint,
+ "%s%s?status=%s&in_reply_to_status_id=%s",
+ session->hosturl, update_uri,
+ escaped_tweet, session->replyto);
+ } else {
+ sprintf(endpoint, "%s%s?status=%s",
+ session->hosturl, update_uri,
+ escaped_tweet);
+ }
- do {
- ssize_t n = getline(&line, &len, config_file);
- if (n < 0)
+ is_post = 1;
break;
- if (line[n - 1] == '\n')
- line[n - 1] = '\0';
- /* Parse file. Format is the usual value pairs:
- account=name
- passwort=value
- # is a comment character
- */
- *strchrnul(line, '#') = '\0';
- char *c = line;
- while (isspace(*c))
- c++;
- /* Ignore blank lines. */
- if (c[0] == '\0')
- continue;
+ case ACTION_USER:
+ sprintf(endpoint, "%s%s%s.xml?page=%d",
+ session->hosturl, user_uri, session->user,
+ session->page);
+ break;
+ case ACTION_REPLIES:
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ mentions_uri, session->page);
+ break;
+ case ACTION_PUBLIC:
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ public_uri, session->page);
+ break;
+ case ACTION_GROUP:
+ sprintf(endpoint, "%s%s%s.xml?page=%d",
+ session->hosturl, group_uri, session->group,
+ session->page);
+ break;
+ case ACTION_FRIENDS:
+ sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+ friends_uri, session->page);
+ break;
+ case ACTION_RETWEET:
+ sprintf(endpoint, "%s%s%s.xml", session->hosturl,
+ retweet_uri, session->retweet);
+ is_post = 1;
+ break;
+ default:
+ break;
+ }
- if (!strncasecmp(c, "account", 7) && (c[7] == '=')) {
- c += 8;
- if (c[0] != '\0')
- account = strdup(c);
- } else if (!strncasecmp(c, "password", 8) &&
- (c[8] == '=')) {
- c += 9;
- if (c[0] != '\0')
- password = strdup(c);
- } else if (!strncasecmp(c, "host", 4) &&
- (c[4] == '=')) {
- c += 5;
- if (c[0] != '\0')
- host = strdup(c);
- } else if (!strncasecmp(c, "proxy", 5) &&
- (c[5] == '=')) {
- c += 6;
- if (c[0] != '\0')
- proxy = strdup(c);
- } else if (!strncasecmp(c, "logfile", 7) &&
- (c[7] == '=')) {
- c += 8;
- if (c[0] != '\0')
- logfile = strdup(c);
- } else if (!strncasecmp(c, "action", 6) &&
- (c[6] == '=')) {
- c += 7;
- if (c[0] != '\0')
- action = strdup(c);
- } else if (!strncasecmp(c, "user", 4) &&
- (c[4] == '=')) {
- c += 5;
- if (c[0] != '\0')
- user = strdup(c);
- } else if (!strncasecmp(c, "shrink-urls", 11) &&
- (c[11] == '=')) {
- c += 12;
- if (!strncasecmp(c, "true", 4) ||
- !strncasecmp(c, "yes", 3))
- shrink_urls = 1;
+ dbg("%s\n", endpoint);
+ if (!session->dry_run) {
+ if (is_post) {
+ req_url = oauth_sign_url2(endpoint, &postarg, OA_HMAC,
+ NULL, session->consumer_key,
+ session->consumer_secret,
+ session->access_token_key,
+ session->access_token_secret);
+ reply = oauth_http_post(req_url, postarg);
+ } else {
+ req_url = oauth_sign_url2(endpoint, NULL, OA_HMAC, NULL,
+ session->consumer_key,
+ session->consumer_secret,
+ session->access_token_key,
+ session->access_token_secret);
+ reply = oauth_http_get(req_url, postarg);
+ }
+
+ dbg("%s\n", req_url);
+ dbg("%s\n", reply);
+ if (req_url)
+ free(req_url);
}
- } while (!feof(config_file));
-
- if (password)
- session->password = password;
- if (account)
- session->account = account;
- if (host) {
- if (strcasecmp(host, "twitter") == 0)
- session->host = HOST_TWITTER;
- if (strcasecmp(host, "identica") == 0)
- session->host = HOST_IDENTICA;
- free(host);
- }
- if (proxy) {
- if (session->proxy)
- free(session->proxy);
- session->proxy = proxy;
- }
- if (logfile)
- session->logfile = logfile;
- if (action) {
- if (strcasecmp(action, "update") == 0)
- session->action = ACTION_UPDATE;
- else if (strcasecmp(action, "friends") == 0)
- session->action = ACTION_FRIENDS;
- else if (strcasecmp(action, "user") == 0)
- session->action = ACTION_USER;
- else if (strcasecmp(action, "replies") == 0)
- session->action = ACTION_REPLIES;
- else if (strcasecmp(action, "public") == 0)
- session->action = ACTION_PUBLIC;
- else
- session->action = ACTION_UNKNOWN;
- free(action);
- }
- if (user)
- session->user = user;
- session->shrink_urls = shrink_urls;
- /* Free buffer and close file. */
- free(line);
- fclose(config_file);
+ if (!reply) {
+ fprintf(stderr, "Error retrieving from URL (%s)\n", endpoint);
+ return -EIO;
+ }
+
+ if ((session->action != ACTION_UPDATE) &&
+ (session->action != ACTION_RETWEET))
+ parse_timeline(reply, session);
+ }
+ return 0;
}
static void log_session(struct session *session, int retval)
{
FILE *log_file;
char *filename;
- char *host;
/* Only log something if we have a log file set */
if (!session->logfile)
log_file = fopen(filename, "a+");
if (log_file == NULL)
return;
- switch (session->host) {
- case HOST_TWITTER:
- host = "twitter";
- break;
- case HOST_IDENTICA:
- host = "identi.ca";
- break;
- default:
- host = "unknown";
- break;
- }
switch (session->action) {
case ACTION_UPDATE:
if (retval)
fprintf(log_file, "%s: host=%s tweet failed\n",
- session->time, host);
+ session->time, session->hostname);
else
fprintf(log_file, "%s: host=%s tweet=%s\n",
- session->time, host, session->tweet);
+ session->time, session->hostname,
+ session->tweet);
break;
case ACTION_FRIENDS:
fprintf(log_file, "%s: host=%s retrieving friends timeline\n",
- session->time, host);
+ session->time, session->hostname);
break;
case ACTION_USER:
fprintf(log_file, "%s: host=%s retrieving %s's timeline\n",
- session->time, host, session->user);
+ session->time, session->hostname, session->user);
break;
case ACTION_REPLIES:
fprintf(log_file, "%s: host=%s retrieving replies\n",
- session->time, host);
+ session->time, session->hostname);
break;
case ACTION_PUBLIC:
fprintf(log_file, "%s: host=%s retrieving public timeline\n",
- session->time, host);
+ session->time, session->hostname);
+ break;
+ case ACTION_GROUP:
+ fprintf(log_file, "%s: host=%s retrieving group timeline\n",
+ session->time, session->hostname);
break;
default:
break;
if (!fgets(string, 999, stdin))
return NULL;
temp = strchr(string, '\n');
- *temp = '\0';
+ if (temp)
+ *temp = '\0';
return string;
}
+static void read_password(char *buf, size_t len, char *host)
+{
+ char pwd[80];
+ int retval;
+ struct termios old;
+ struct termios tp;
+
+ tcgetattr(0, &tp);
+ old = tp;
+
+ tp.c_lflag &= (~ECHO);
+ tcsetattr(0, TCSANOW, &tp);
+
+ fprintf(stdout, "Enter password for %s: ", host);
+ fflush(stdout);
+ tcflow(0, TCOOFF);
+ retval = scanf("%79s", pwd);
+ tcflow(0, TCOON);
+ fprintf(stdout, "\n");
+
+ tcsetattr(0, TCSANOW, &old);
+
+ strncpy(buf, pwd, len);
+ buf[len-1] = '\0';
+}
+
static int find_urls(const char *tweet, int **pranges)
{
/*
{
static const struct option options[] = {
{ "debug", 0, NULL, 'd' },
+ { "verbose", 0, NULL, 'V' },
{ "account", 1, NULL, 'a' },
{ "password", 1, NULL, 'p' },
{ "host", 1, NULL, 'H' },
{ "proxy", 1, NULL, 'P' },
{ "action", 1, NULL, 'A' },
{ "user", 1, NULL, 'u' },
+ { "group", 1, NULL, 'G' },
{ "logfile", 1, NULL, 'L' },
{ "shrink-urls", 0, NULL, 's' },
{ "help", 0, NULL, 'h' },
{ "bash", 0, NULL, 'b' },
+ { "background", 0, NULL, 'B' },
{ "dry-run", 0, NULL, 'n' },
{ "page", 1, NULL, 'g' },
+ { "column", 1, NULL, 'o' },
{ "version", 0, NULL, 'v' },
+ { "config", 1, NULL, 'c' },
+ { "replyto", 1, NULL, 'r' },
+ { "retweet", 1, NULL, 'w' },
{ }
};
struct session *session;
pid_t child;
char *tweet;
+ static char password[80];
int retval = 0;
int option;
char *http_proxy;
+ char *home;
+ const char *config_file;
time_t t;
int page_nr;
debug = 0;
- rl_bind_key('\t', rl_insert);
session = session_alloc();
if (!session) {
session->time = strdup(ctime(&t));
session->time[strlen(session->time)-1] = 0x00;
- session->homedir = strdup(getenv("HOME"));
+ /*
+ * Get the home directory so we can try to find a config file.
+ * If we have no home dir set up, look in /etc/bti
+ */
+ home = getenv("HOME");
+ if (home) {
+ /* We have a home dir, so this might be a user */
+ session->homedir = strdup(home);
+ config_file = config_user_default;
+ } else {
+ session->homedir = strdup("");
+ config_file = config_default;
+ }
- curl_global_init(CURL_GLOBAL_ALL);
+ /* set up a default config file location (traditionally ~/.bti) */
+ session->configfile = zalloc(strlen(session->homedir) + strlen(config_file) + 7);
+ sprintf(session->configfile, "%s/%s", session->homedir, config_file);
/* Set environment variables first, before reading command line options
* or config file values. */
dbg("http_proxy = %s\n", session->proxy);
}
- parse_configfile(session);
+ bti_parse_configfile(session);
while (1) {
- option = getopt_long_only(argc, argv, "dqe:p:P:H:a:A:u:hg:",
+ option = getopt_long_only(argc, argv,
+ "dp:P:H:a:A:u:c:hg:o:G:sr:nVvw:",
options, NULL);
if (option == -1)
break;
case 'd':
debug = 1;
break;
+ case 'V':
+ session->verbose = 1;
+ break;
case 'a':
if (session->account)
free(session->account);
dbg("page = %d\n", page_nr);
session->page = page_nr;
break;
+ case 'o':
+ session->column_output = atoi(optarg);
+ dbg("column_output = %d\n", session->column_output);
+ break;
+ case 'r':
+ session->replyto = strdup(optarg);
+ dbg("in_reply_to_status_id = %s\n", session->replyto);
+ break;
+ case 'w':
+ session->retweet = strdup(optarg);
+ dbg("Retweet ID = %s\n", session->retweet);
+ break;
case 'p':
if (session->password)
free(session->password);
session->action = ACTION_REPLIES;
else if (strcasecmp(optarg, "public") == 0)
session->action = ACTION_PUBLIC;
+ else if (strcasecmp(optarg, "group") == 0)
+ session->action = ACTION_GROUP;
+ else if (strcasecmp(optarg, "retweet") == 0)
+ session->action = ACTION_RETWEET;
else
session->action = ACTION_UNKNOWN;
dbg("action = %d\n", session->action);
session->user = strdup(optarg);
dbg("user = %s\n", session->user);
break;
+
+ case 'G':
+ if (session->group)
+ free(session->group);
+ session->group = strdup(optarg);
+ dbg("group = %s\n", session->group);
+ break;
case 'L':
if (session->logfile)
free(session->logfile);
session->shrink_urls = 1;
break;
case 'H':
- if (strcasecmp(optarg, "twitter") == 0)
+ if (session->hosturl)
+ free(session->hosturl);
+ if (session->hostname)
+ free(session->hostname);
+ if (strcasecmp(optarg, "twitter") == 0) {
session->host = HOST_TWITTER;
- if (strcasecmp(optarg, "identica") == 0)
+ session->hosturl = strdup(twitter_host);
+ session->hostname = strdup(twitter_name);
+ } else if (strcasecmp(optarg, "identica") == 0) {
session->host = HOST_IDENTICA;
+ session->hosturl = strdup(identica_host);
+ session->hostname = strdup(identica_name);
+ } else {
+ session->host = HOST_CUSTOM;
+ session->hosturl = strdup(optarg);
+ session->hostname = strdup(optarg);
+ }
dbg("host = %d\n", session->host);
break;
case 'b':
session->bash = 1;
+ /* fall-through intended */
+ case 'B':
+ session->background = 1;
+ break;
+ case 'c':
+ if (session->configfile)
+ free(session->configfile);
+ session->configfile = strdup(optarg);
+ dbg("configfile = %s\n", session->configfile);
+
+ /*
+ * read the config file now. Yes, this could override
+ * previously set options from the command line, but
+ * the user asked for it...
+ */
+ bti_parse_configfile(session);
break;
case 'h':
display_help();
}
}
+ session_readline_init(session);
+ /*
+ * Show the version to make it easier to determine what
+ * is going on here
+ */
+ if (debug)
+ display_version();
+
+ if (session->host == HOST_TWITTER) {
+ if (!session->consumer_key || !session->consumer_secret) {
+ if (session->action == ACTION_USER ||
+ session->action == ACTION_PUBLIC) {
+ /*
+ * Some actions may still work without
+ * authentication
+ */
+ session->guest = 1;
+ } else {
+ fprintf(stderr,
+ "Twitter no longer supports HTTP basic authentication.\n"
+ "Both consumer key, and consumer secret are required"
+ " for bti in order to behave as an OAuth consumer.\n");
+ goto exit;
+ }
+ }
+ if (session->action == ACTION_GROUP) {
+ fprintf(stderr, "Groups only work in Identi.ca.\n");
+ goto exit;
+ }
+ } else {
+ if (!session->consumer_key || !session->consumer_secret)
+ session->no_oauth = 1;
+ }
+
+ if (session->no_oauth) {
+ if (!session->account) {
+ fprintf(stdout, "Enter account for %s: ",
+ session->hostname);
+ session->account = session->readline(NULL);
+ }
+ if (!session->password) {
+ read_password(password, sizeof(password),
+ session->hostname);
+ session->password = strdup(password);
+ }
+ } else if (!session->guest) {
+ if (!session->access_token_key ||
+ !session->access_token_secret) {
+ request_access_token(session);
+ goto exit;
+ }
+ }
+
if (session->action == ACTION_UNKNOWN) {
- fprintf(stderr, "Unknown action, valid actions are:\n");
- fprintf(stderr, "'update', 'friends', 'public', "
- "'replies' or 'user'.\n");
+ fprintf(stderr, "Unknown action, valid actions are:\n"
+ "'update', 'friends', 'public', 'replies', 'group' or 'user'.\n");
goto exit;
}
- if (!session->account) {
- fprintf(stdout, "Enter twitter account: ");
- session->account = readline(NULL);
+ if (session->action == ACTION_GROUP && !session->group) {
+ fprintf(stdout, "Enter group name: ");
+ session->group = session->readline(NULL);
}
- if (!session->password) {
- fprintf(stdout, "Enter twitter password: ");
- session->password = readline(NULL);
+ if (session->action == ACTION_RETWEET) {
+ if (!session->retweet) {
+ char *rtid;
+
+ fprintf(stdout, "Status ID to retweet: ");
+ rtid = get_string_from_stdin();
+ session->retweet = zalloc(strlen(rtid) + 10);
+ sprintf(session->retweet, "%s", rtid);
+ free(rtid);
+ }
+
+ if (!session->retweet || strlen(session->retweet) == 0) {
+ dbg("no retweet?\n");
+ return -1;
+ }
+
+ dbg("retweet ID = %s\n", session->retweet);
}
if (session->action == ACTION_UPDATE) {
- if (session->bash)
+ if (session->background || !session->interactive)
tweet = get_string_from_stdin();
else
- tweet = readline("tweet: ");
+ tweet = session->readline("tweet: ");
if (!tweet || strlen(tweet) == 0) {
dbg("no tweet?\n");
return -1;
session->tweet = zalloc(strlen(tweet) + 10);
if (session->bash)
- sprintf(session->tweet, "$ %s", tweet);
+ sprintf(session->tweet, "%c %s",
+ getuid() ? '$' : '#', tweet);
else
sprintf(session->tweet, "%s", tweet);
dbg("tweet = %s\n", session->tweet);
}
- if (!session->user)
- session->user = strdup(session->account);
-
if (session->page == 0)
session->page = 1;
- dbg("account = %s\n", session->account);
- dbg("password = %s\n", session->password);
+ dbg("config file = %s\n", session->configfile);
dbg("host = %d\n", session->host);
dbg("action = %d\n", session->action);
/* fork ourself so that the main shell can get on
* with it's life as we try to connect and handle everything
*/
- if (session->bash) {
+ if (session->background) {
child = fork();
if (child) {
dbg("child is %d\n", child);
}
retval = send_request(session);
- if (retval && !session->bash)
+ if (retval && !session->background)
fprintf(stderr, "operation failed\n");
log_session(session, retval);
exit:
+ session_readline_cleanup(session);
session_free(session);
return retval;;
}