bitlbee - personal fork of github.com/bitlbee/bitlbee

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author	Wilmer van der Gaast <wilmer@gaast.net>	2010-06-07 22:09:33 +0100
committer	Wilmer van der Gaast <wilmer@gaast.net>	2010-06-07 22:09:33 +0100
commit	6ef906557277b71fc278e3f612542bd4d7d75ab5 (patch)
tree	cc7ed74c2c11ef8d8554ff154e24307cca9feaed /doc/user-guide
parent	619dd1882deb7f507882748982744cc275dd92a9 (diff)

Restored nick_hint/nick_source functionality.

Diffstat (limited to 'doc/user-guide')

0 files changed, 0 insertions, 0 deletions

/***************************************************************************\ * * * BitlBee - An IRC to IM gateway * * Simple module to facilitate twitter functionality. * * * * Copyright 2009-2010 Geert Mulders <g.c.w.m.mulders@gmail.com> * * Copyright 2010-2013 Wilmer van der Gaast <wilmer@gaast.net> * * * * This library is free software; you can redistribute it and/or * * modify it under the terms of the GNU Lesser General Public * * License as published by the Free Software Foundation, version * * 2.1. * * * * This library 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 * * Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public License * * along with this library; if not, write to the Free Software Foundation, * * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * * ****************************************************************************/ /* For strptime(): */ #if (__sun) #else #define _XOPEN_SOURCE #endif #include "twitter_http.h" #include "twitter.h" #include "bitlbee.h" #include "url.h" #include "misc.h" #include "base64.h" #include "twitter_lib.h" #include "json_util.h" #include <ctype.h> #include <errno.h> #define TXL_STATUS 1 #define TXL_USER 2 #define TXL_ID 3 struct twitter_xml_list { int type; gint64 next_cursor; GSList *list; }; struct twitter_xml_user { guint64 uid; char *name; char *screen_name; }; struct twitter_xml_status { time_t created_at; char *text; struct twitter_xml_user *user; guint64 id, rt_id; /* Usually equal, with RTs id == *original* id */ guint64 reply_to; gboolean from_filter; }; /** * Frees a twitter_xml_user struct. */ static void txu_free(struct twitter_xml_user *txu) { if (txu == NULL) { return; } g_free(txu->name); g_free(txu->screen_name); g_free(txu); } /** * Frees a twitter_xml_status struct. */ static void txs_free(struct twitter_xml_status *txs) { if (txs == NULL) { return; } g_free(txs->text); txu_free(txs->user); g_free(txs); } /** * Free a twitter_xml_list struct. * type is the type of list the struct holds. */ static void txl_free(struct twitter_xml_list *txl) { GSList *l; if (txl == NULL) { return; } for (l = txl->list; l; l = g_slist_next(l)) { if (txl->type == TXL_STATUS) { txs_free((struct twitter_xml_status *) l->data); } else if (txl->type == TXL_ID) { g_free(l->data); } else if (txl->type == TXL_USER) { txu_free(l->data); } } g_slist_free(txl->list); g_free(txl); } /** * Compare status elements */ static gint twitter_compare_elements(gconstpointer a, gconstpointer b) { struct twitter_xml_status *a_status = (struct twitter_xml_status *) a; struct twitter_xml_status *b_status = (struct twitter_xml_status *) b; if (a_status->created_at < b_status->created_at) { return -1; } else if (a_status->created_at > b_status->created_at) { return 1; } else { return 0; } } /** * Add a buddy if it is not already added, set the status to logged in. */ static void twitter_add_buddy(struct im_connection *ic, char *name, const char *fullname) { struct twitter_data *td = ic->proto_data; // Check if the buddy is already in the buddy list. if (!bee_user_by_handle(ic->bee, ic, name)) { // The buddy is not in the list, add the buddy and set the status to logged in. imcb_add_buddy(ic, name, NULL); imcb_rename_buddy(ic, name, fullname); if (td->flags & TWITTER_MODE_CHAT) { /* Necessary so that nicks always get translated to the exact Twitter username. */ imcb_buddy_nick_hint(ic, name, name); if (td->timeline_gc) { imcb_chat_add_buddy(td->timeline_gc, name); } } else if (td->flags & TWITTER_MODE_MANY) { imcb_buddy_status(ic, name, OPT_LOGGED_IN, NULL, NULL); } } } /* Warning: May return a malloc()ed value, which will be free()d on the next call. Only for short-term use. NOT THREADSAFE! */ char *twitter_parse_error(struct http_request *req) { static char *ret = NULL; json_value *root, *err; g_free(ret); ret = NULL; if (req->body_size > 0) { root = json_parse(req->reply_body, req->body_size); err = json_o_get(root, "errors"); if (err && err->type == json_array && (err = err->u.array.values[0]) && err->type == json_object) { const char *msg = json_o_str(err, "message"); if (msg) { ret = g_strdup_printf("%s (%s)", req->status_string, msg); } } json_value_free(root); } return ret ? ret : req->status_string; } /* WATCH OUT: This function might or might not destroy your connection. Sub-optimal indeed, but just be careful when this returns NULL! */ static json_value *twitter_parse_response(struct im_connection *ic, struct http_request *req) { gboolean logging_in = !(ic->flags & OPT_LOGGED_IN); gboolean periodic; struct twitter_data *td = ic->proto_data; json_value *ret; char path[64] = "", *s; if ((s = strchr(req->request, ' '))) { path[sizeof(path) - 1] = '\0'; strncpy(path, s + 1, sizeof(path) - 1); if ((s = strchr(path, '?')) || (s = strchr(path, ' '))) { *s = '\0'; } } /* Kinda nasty. :-( Trying to suppress error messages, but only for periodic (i.e. mentions/timeline) queries. */ periodic = strstr(path, "timeline") || strstr(path, "mentions"); if (req->status_code == 401 && logging_in) { /* IIRC Twitter once had an outage where they were randomly throwing 401s so I'll keep treating this one as fatal only during login. */ imcb_error(ic, "Authentication failure (%s)", twitter_parse_error(req)); imc_logout(ic, FALSE); return NULL; } else if (req->status_code != 200) { // It didn't go well, output the error and return. if (!periodic || logging_in || ++td->http_fails >= 5) { twitter_log(ic, "Error: Could not retrieve %s: %s", path, twitter_parse_error(req)); } if (logging_in) { imc_logout(ic, TRUE); } return NULL; } else { td->http_fails = 0; } if ((ret = json_parse(req->reply_body, req->body_size)) == NULL) { imcb_error(ic, "Could not retrieve %s: %s", path, "XML parse error"); } return ret; } static void twitter_http_get_friends_ids(struct http_request *req); /** * Get the friends ids. */ void twitter_get_friends_ids(struct im_connection *ic, gint64 next_cursor) { // Primitive, but hey! It works... char *args[2]; args[0] = "cursor"; args[1] = g_strdup_printf("%" G_GINT64_FORMAT, next_cursor); twitter_http(ic, TWITTER_FRIENDS_IDS_URL, twitter_http_get_friends_ids, ic, 0, args, 2); g_free(args[1]); } /** * Fill a list of ids. */ static gboolean twitter_xt_get_friends_id_list(json_value *node, struct twitter_xml_list *txl) { json_value *c; int i; // Set the list type. txl->type = TXL_ID; c = json_o_get(node, "ids"); if (!c || c->type != json_array) { return FALSE; } for (i = 0; i < c->u.array.length; i++) { if (c->u.array.values[i]->type != json_integer) { continue; } txl->list = g_slist_prepend(txl->list, g_strdup_printf("%" PRIu64, c->u.array.values[i]->u.integer)); } c = json_o_get(node, "next_cursor"); if (c && c->type == json_integer) { txl->next_cursor = c->u.integer; } else { txl->next_cursor = -1; } return TRUE; } static void twitter_get_users_lookup(struct im_connection *ic); /** * Callback for getting the friends ids. */ static void twitter_http_get_friends_ids(struct http_request *req) { struct im_connection *ic; json_value *parsed; struct twitter_xml_list *txl; struct twitter_data *td; ic = req->data; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } td = ic->proto_data; txl = g_new0(struct twitter_xml_list, 1); txl->list = td->follow_ids; // Parse the data. if (!(parsed = twitter_parse_response(ic, req))) { return; } twitter_xt_get_friends_id_list(parsed, txl); json_value_free(parsed); td->follow_ids = txl->list; if (txl->next_cursor) { /* These were just numbers. Up to 4000 in a response AFAIK so if we get here we may be using a spammer account. \o/ */ twitter_get_friends_ids(ic, txl->next_cursor); } else { /* Now to convert all those numbers into names.. */ twitter_get_users_lookup(ic); } txl->list = NULL; txl_free(txl); } static gboolean twitter_xt_get_users(json_value *node, struct twitter_xml_list *txl); static void twitter_http_get_users_lookup(struct http_request *req); static void twitter_get_users_lookup(struct im_connection *ic) { struct twitter_data *td = ic->proto_data; char *args[2] = { "user_id", NULL, }; GString *ids = g_string_new(""); int i; /* We can request up to 100 users at a time. */ for (i = 0; i < 100 && td->follow_ids; i++) { g_string_append_printf(ids, ",%s", (char *) td->follow_ids->data); g_free(td->follow_ids->data); td->follow_ids = g_slist_remove(td->follow_ids, td->follow_ids->data); } if (ids->len > 0) { args[1] = ids->str + 1; /* POST, because I think ids can be up to 1KB long. */ twitter_http(ic, TWITTER_USERS_LOOKUP_URL, twitter_http_get_users_lookup, ic, 1, args, 2); } else { /* We have all users. Continue with login. (Get statuses.) */ td->flags |= TWITTER_HAVE_FRIENDS; twitter_login_finish(ic); } g_string_free(ids, TRUE); } /** * Callback for getting (twitter)friends... * * Be afraid, be very afraid! This function will potentially add hundreds of "friends". "Who has * hundreds of friends?" you wonder? You probably not, since you are reading the source of * BitlBee... Get a life and meet new people! */ static void twitter_http_get_users_lookup(struct http_request *req) { struct im_connection *ic = req->data; json_value *parsed; struct twitter_xml_list *txl; GSList *l = NULL; struct twitter_xml_user *user; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } txl = g_new0(struct twitter_xml_list, 1); txl->list = NULL; // Get the user list from the parsed xml feed. if (!(parsed = twitter_parse_response(ic, req))) { return; } twitter_xt_get_users(parsed, txl); json_value_free(parsed); // Add the users as buddies. for (l = txl->list; l; l = g_slist_next(l)) { user = l->data; twitter_add_buddy(ic, user->screen_name, user->name); } // Free the structure. txl_free(txl); twitter_get_users_lookup(ic); } struct twitter_xml_user *twitter_xt_get_user(const json_value *node) { struct twitter_xml_user *txu; json_value *jv; txu = g_new0(struct twitter_xml_user, 1); txu->name = g_strdup(json_o_str(node, "name")); txu->screen_name = g_strdup(json_o_str(node, "screen_name")); jv = json_o_get(node, "id"); txu->uid = jv->u.integer; return txu; } /** * Function to fill a twitter_xml_list struct. * It sets: * - all <user>s from the <users> element. */ static gboolean twitter_xt_get_users(json_value *node, struct twitter_xml_list *txl) { struct twitter_xml_user *txu; int i; // Set the type of the list. txl->type = TXL_USER; if (!node || node->type != json_array) { return FALSE; } // The root <users> node should hold the list of users <user> // Walk over the nodes children. for (i = 0; i < node->u.array.length; i++) { txu = twitter_xt_get_user(node->u.array.values[i]); if (txu) { txl->list = g_slist_prepend(txl->list, txu); } } return TRUE; } #ifdef __GLIBC__ #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S %z %Y" #else #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S +0000 %Y" #endif static char* expand_entities(char* text, const json_value *entities); /** * Function to fill a twitter_xml_status struct. * It sets: * - the status text and * - the created_at timestamp and * - the status id and * - the user in a twitter_xml_user struct. */ static struct twitter_xml_status *twitter_xt_get_status(const json_value *node) { struct twitter_xml_status *txs; const json_value *rt = NULL, *entities = NULL; if (node->type != json_object) { return FALSE; } txs = g_new0(struct twitter_xml_status, 1); JSON_O_FOREACH(node, k, v) { if (strcmp("text", k) == 0 && v->type == json_string) { txs->text = g_memdup(v->u.string.ptr, v->u.string.length + 1); strip_html(txs->text); } else if (strcmp("retweeted_status", k) == 0 && v->type == json_object) { rt = v; } else if (strcmp("created_at", k) == 0 && v->type == json_string) { struct tm parsed; /* Very sensitive to changes to the formatting of this field. :-( Also assumes the timezone used is UTC since C time handling functions suck. */ if (strptime(v->u.string.ptr, TWITTER_TIME_FORMAT, &parsed) != NULL) { txs->created_at = mktime_utc(&parsed); } } else if (strcmp("user", k) == 0 && v->type == json_object) { txs->user = twitter_xt_get_user(v); } else if (strcmp("id", k) == 0 && v->type == json_integer) { txs->rt_id = txs->id = v->u.integer; } else if (strcmp("in_reply_to_status_id", k) == 0 && v->type == json_integer) { txs->reply_to = v->u.integer; } else if (strcmp("entities", k) == 0 && v->type == json_object) { entities = v; } } /* If it's a (truncated) retweet, get the original. Even if the API claims it wasn't truncated because it may be lying. */ if (rt) { struct twitter_xml_status *rtxs = twitter_xt_get_status(rt); if (rtxs) { g_free(txs->text); txs->text = g_strdup_printf("RT @%s: %s", rtxs->user->screen_name, rtxs->text); txs->id = rtxs->id; txs_free(rtxs); } } else if (entities) { txs->text = expand_entities(txs->text, entities); } if (txs->text && txs->user && txs->id) { return txs; } txs_free(txs); return NULL; } /** * Function to fill a twitter_xml_status struct (DM variant). */ static struct twitter_xml_status *twitter_xt_get_dm(const json_value *node) { struct twitter_xml_status *txs; const json_value *entities = NULL; if (node->type != json_object) { return FALSE; } txs = g_new0(struct twitter_xml_status, 1); JSON_O_FOREACH(node, k, v) { if (strcmp("text", k) == 0 && v->type == json_string) { txs->text = g_memdup(v->u.string.ptr, v->u.string.length + 1); strip_html(txs->text); } else if (strcmp("created_at", k) == 0 && v->type == json_string) { struct tm parsed; /* Very sensitive to changes to the formatting of this field. :-( Also assumes the timezone used is UTC since C time handling functions suck. */ if (strptime(v->u.string.ptr, TWITTER_TIME_FORMAT, &parsed) != NULL) { txs->created_at = mktime_utc(&parsed); } } else if (strcmp("sender", k) == 0 && v->type == json_object) { txs->user = twitter_xt_get_user(v); } else if (strcmp("id", k) == 0 && v->type == json_integer) { txs->id = v->u.integer; } } if (entities) { txs->text = expand_entities(txs->text, entities); } if (txs->text && txs->user && txs->id) { return txs; } txs_free(txs); return NULL; } static char* expand_entities(char* text, const json_value *entities) { JSON_O_FOREACH(entities, k, v) { int i; if (v->type != json_array) { continue; } if (strcmp(k, "urls") != 0 && strcmp(k, "media") != 0) { continue; } for (i = 0; i < v->u.array.length; i++) { if (v->u.array.values[i]->type != json_object) { continue; } const char *kort = json_o_str(v->u.array.values[i], "url"); const char *disp = json_o_str(v->u.array.values[i], "display_url"); char *pos, *new; if (!kort || !disp || !(pos = strstr(text, kort))) { continue; } *pos = '\0'; new = g_strdup_printf("%s%s <%s>%s", text, kort, disp, pos + strlen(kort)); g_free(text); text = new; } } return text; } /** * Function to fill a twitter_xml_list struct. * It sets: * - all <status>es within the <status> element and * - the next_cursor. */ static gboolean twitter_xt_get_status_list(struct im_connection *ic, const json_value *node, struct twitter_xml_list *txl) { struct twitter_xml_status *txs; int i; // Set the type of the list. txl->type = TXL_STATUS; if (node->type != json_array) { return FALSE; } // The root <statuses> node should hold the list of statuses <status> // Walk over the nodes children. for (i = 0; i < node->u.array.length; i++) { txs = twitter_xt_get_status(node->u.array.values[i]); if (!txs) { continue; } txl->list = g_slist_prepend(txl->list, txs); } return TRUE; } /* Will log messages either way. Need to keep track of IDs for stream deduping. Plus, show_ids is on by default and I don't see why anyone would disable it. */ static char *twitter_msg_add_id(struct im_connection *ic, struct twitter_xml_status *txs, const char *prefix) { struct twitter_data *td = ic->proto_data; int reply_to = -1; bee_user_t *bu; if (txs->reply_to) { int i; for (i = 0; i < TWITTER_LOG_LENGTH; i++) { if (td->log[i].id == txs->reply_to) { reply_to = i; break; } } } if (txs->user && txs->user->screen_name && (bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name))) { struct twitter_user_data *tud = bu->data; if (txs->id > tud->last_id) { tud->last_id = txs->id; tud->last_time = txs->created_at; } } td->log_id = (td->log_id + 1) % TWITTER_LOG_LENGTH; td->log[td->log_id].id = txs->id; td->log[td->log_id].bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name); /* This is all getting hairy. :-( If we RT'ed something ourselves, remember OUR id instead so undo will work. In other cases, the original tweet's id should be remembered for deduplicating. */ if (g_strcasecmp(txs->user->screen_name, td->user) == 0) { td->log[td->log_id].id = txs->rt_id; } if (set_getbool(&ic->acc->set, "show_ids")) { if (reply_to != -1) { return g_strdup_printf("\002[\002%02x->%02x\002]\002 %s%s", td->log_id, reply_to, prefix, txs->text); } else { return g_strdup_printf("\002[\002%02x\002]\002 %s%s", td->log_id, prefix, txs->text); } } else { if (*prefix) { return g_strconcat(prefix, txs->text, NULL); } else { return NULL; } } } /** * Function that is called to see the filter statuses in groupchat windows. */ static void twitter_status_show_filter(struct im_connection *ic, struct twitter_xml_status *status) { struct twitter_data *td = ic->proto_data; char *msg = twitter_msg_add_id(ic, status, ""); struct twitter_filter *tf; GSList *f; GSList *l; for (f = td->filters; f; f = g_slist_next(f)) { tf = f->data; switch (tf->type) { case TWITTER_FILTER_TYPE_FOLLOW: if (status->user->uid != tf->uid) { continue; } break; case TWITTER_FILTER_TYPE_TRACK: if (strcasestr(status->text, tf->text) == NULL) { continue; } break; default: continue; } for (l = tf->groupchats; l; l = g_slist_next(l)) { imcb_chat_msg(l->data, status->user->screen_name, msg ? msg : status->text, 0, 0); } } g_free(msg); } /** * Function that is called to see the statuses in a groupchat window. */ static void twitter_status_show_chat(struct im_connection *ic, struct twitter_xml_status *status) { struct twitter_data *td = ic->proto_data; struct groupchat *gc; gboolean me = g_strcasecmp(td->user, status->user->screen_name) == 0; char *msg; // Create a new groupchat if it does not exsist. gc = twitter_groupchat_init(ic); if (!me) { /* MUST be done before twitter_msg_add_id() to avoid #872. */ twitter_add_buddy(ic, status->user->screen_name, status->user->name); } msg = twitter_msg_add_id(ic, status, ""); // Say it! if (me) { imcb_chat_log(gc, "You: %s", msg ? msg : status->text); } else { imcb_chat_msg(gc, status->user->screen_name, msg ? msg : status->text, 0, status->created_at); } g_free(msg); } /** * Function that is called to see statuses as private messages. */ static void twitter_status_show_msg(struct im_connection *ic, struct twitter_xml_status *status) { struct twitter_data *td = ic->proto_data; char from[MAX_STRING] = ""; char *prefix = NULL, *text = NULL; gboolean me = g_strcasecmp(td->user, status->user->screen_name) == 0; if (td->flags & TWITTER_MODE_ONE) { g_snprintf(from, sizeof(from) - 1, "%s_%s", td->prefix, ic->acc->user); from[MAX_STRING - 1] = '\0'; } if (td->flags & TWITTER_MODE_ONE) { prefix = g_strdup_printf("\002<\002%s\002>\002 ", status->user->screen_name); } else if (!me) { twitter_add_buddy(ic, status->user->screen_name, status->user->name); } else { prefix = g_strdup("You: "); } text = twitter_msg_add_id(ic, status, prefix ? prefix : ""); imcb_buddy_msg(ic, *from ? from : status->user->screen_name, text ? text : status->text, 0, status->created_at); g_free(text); g_free(prefix); } static void twitter_status_show(struct im_connection *ic, struct twitter_xml_status *status) { struct twitter_data *td = ic->proto_data; char *last_id_str; if (status->user == NULL || status->text == NULL) { return; } /* Grrrr. Would like to do this during parsing, but can't access settings from there. */ if (set_getbool(&ic->acc->set, "strip_newlines")) { strip_newlines(status->text); } if (status->from_filter) { twitter_status_show_filter(ic, status); } else if (td->flags & TWITTER_MODE_CHAT) { twitter_status_show_chat(ic, status); } else { twitter_status_show_msg(ic, status); } // Update the timeline_id to hold the highest id, so that by the next request // we won't pick up the updates already in the list. td->timeline_id = MAX(td->timeline_id, status->rt_id); last_id_str = g_strdup_printf("%" G_GUINT64_FORMAT, td->timeline_id); set_setstr(&ic->acc->set, "last_tweet", last_id_str); g_free(last_id_str); } static gboolean twitter_stream_handle_object(struct im_connection *ic, json_value *o, gboolean from_filter); static void twitter_http_stream(struct http_request *req) { struct im_connection *ic = req->data; struct twitter_data *td; json_value *parsed; int len = 0; char c, *nl; gboolean from_filter; if (!g_slist_find(twitter_connections, ic)) { return; } ic->flags |= OPT_PONGED; td = ic->proto_data; if ((req->flags & HTTPC_EOF) || !req->reply_body) { if (req == td->stream) { td->stream = NULL; } else if (req == td->filter_stream) { td->filter_stream = NULL; } imcb_error(ic, "Stream closed (%s)", req->status_string); imc_logout(ic, TRUE); return; } /* MUST search for CRLF, not just LF: https://dev.twitter.com/docs/streaming-apis/processing#Parsing_responses */ if (!(nl = strstr(req->reply_body, "\r\n"))) { return; } len = nl - req->reply_body; if (len > 0) { c = req->reply_body[len]; req->reply_body[len] = '\0'; if ((parsed = json_parse(req->reply_body, req->body_size))) { from_filter = (req == td->filter_stream); twitter_stream_handle_object(ic, parsed, from_filter); } json_value_free(parsed); req->reply_body[len] = c; } http_flush_bytes(req, len + 2); /* One notification might bring multiple events! */ if (req->body_size > 0) { twitter_http_stream(req); } } static gboolean twitter_stream_handle_event(struct im_connection *ic, json_value *o); static gboolean twitter_stream_handle_status(struct im_connection *ic, struct twitter_xml_status *txs); static gboolean twitter_stream_handle_object(struct im_connection *ic, json_value *o, gboolean from_filter) { struct twitter_data *td = ic->proto_data; struct twitter_xml_status *txs; json_value *c; if ((txs = twitter_xt_get_status(o))) { txs->from_filter = from_filter; gboolean ret = twitter_stream_handle_status(ic, txs); txs_free(txs); return ret; } else if ((c = json_o_get(o, "direct_message")) && (txs = twitter_xt_get_dm(c))) { if (g_strcasecmp(txs->user->screen_name, td->user) != 0) { imcb_buddy_msg(ic, txs->user->screen_name, txs->text, 0, txs->created_at); } txs_free(txs); return TRUE; } else if ((c = json_o_get(o, "event")) && c->type == json_string) { twitter_stream_handle_event(ic, o); return TRUE; } else if ((c = json_o_get(o, "disconnect")) && c->type == json_object) { /* HACK: Because we're inside an event handler, we can't just disconnect here. Instead, just change the HTTP status string into a Twitter status string. */ char *reason = json_o_strdup(c, "reason"); if (reason) { g_free(td->stream->status_string); td->stream->status_string = reason; } return TRUE; } return FALSE; } static gboolean twitter_stream_handle_status(struct im_connection *ic, struct twitter_xml_status *txs) { struct twitter_data *td = ic->proto_data; int i; for (i = 0; i < TWITTER_LOG_LENGTH; i++) { if (td->log[i].id == txs->id) { /* Got a duplicate (RT, probably). Drop it. */ return TRUE; } } if (!(g_strcasecmp(txs->user->screen_name, td->user) == 0 || set_getbool(&ic->acc->set, "fetch_mentions") || bee_user_by_handle(ic->bee, ic, txs->user->screen_name))) { /* Tweet is from an unknown person and the user does not want to see @mentions, so drop it. twitter_stream_handle_event() picks up new follows so this simple filter should be safe. */ /* TODO: The streaming API seems to do poor @mention matching. I.e. I'm getting mentions for @WilmerSomething, not just for @Wilmer. But meh. You want spam, you get spam. */ return TRUE; } twitter_status_show(ic, txs); return TRUE; } static gboolean twitter_stream_handle_event(struct im_connection *ic, json_value *o) { struct twitter_data *td = ic->proto_data; json_value *source = json_o_get(o, "source"); json_value *target = json_o_get(o, "target"); const char *type = json_o_str(o, "event"); if (!type || !source || source->type != json_object || !target || target->type != json_object) { return FALSE; } if (strcmp(type, "follow") == 0) { struct twitter_xml_user *us = twitter_xt_get_user(source); struct twitter_xml_user *ut = twitter_xt_get_user(target); if (g_strcasecmp(us->screen_name, td->user) == 0) { twitter_add_buddy(ic, ut->screen_name, ut->name); } txu_free(us); txu_free(ut); } return TRUE; } gboolean twitter_open_stream(struct im_connection *ic) { struct twitter_data *td = ic->proto_data; char *args[2] = { "with", "followings" }; if ((td->stream = twitter_http(ic, TWITTER_USER_STREAM_URL, twitter_http_stream, ic, 0, args, 2))) { /* This flag must be enabled or we'll get no data until EOF (which err, kind of, defeats the purpose of a streaming API). */ td->stream->flags |= HTTPC_STREAMING; return TRUE; } return FALSE; } static gboolean twitter_filter_stream(struct im_connection *ic) { struct twitter_data *td = ic->proto_data; char *args[4] = { "follow", NULL, "track", NULL }; GString *followstr = g_string_new(""); GString *trackstr = g_string_new(""); gboolean ret = FALSE; struct twitter_filter *tf; GSList *l; for (l = td->filters; l; l = g_slist_next(l)) { tf = l->data; switch (tf->type) { case TWITTER_FILTER_TYPE_FOLLOW: if (followstr->len > 0) { g_string_append_c(followstr, ','); } g_string_append_printf(followstr, "%" G_GUINT64_FORMAT, tf->uid); break; case TWITTER_FILTER_TYPE_TRACK: if (trackstr->len > 0) { g_string_append_c(trackstr, ','); } g_string_append(trackstr, tf->text); break; default: continue; } } args[1] = followstr->str; args[3] = trackstr->str; if (td->filter_stream) { http_close(td->filter_stream); } if ((td->filter_stream = twitter_http(ic, TWITTER_FILTER_STREAM_URL, twitter_http_stream, ic, 0, args, 4))) { /* This flag must be enabled or we'll get no data until EOF (which err, kind of, defeats the purpose of a streaming API). */ td->filter_stream->flags |= HTTPC_STREAMING; ret = TRUE; } g_string_free(followstr, TRUE); g_string_free(trackstr, TRUE); return ret; } static void twitter_filter_users_post(struct http_request *req) { struct im_connection *ic = req->data; struct twitter_data *td; struct twitter_filter *tf; GList *users = NULL; json_value *parsed; json_value *id; const char *name; GString *fstr; GSList *l; GList *u; int i; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } td = ic->proto_data; if (!(parsed = twitter_parse_response(ic, req))) { return; } for (l = td->filters; l; l = g_slist_next(l)) { tf = l->data; if (tf->type == TWITTER_FILTER_TYPE_FOLLOW) { users = g_list_prepend(users, tf); } } if (parsed->type != json_array) { goto finish; } for (i = 0; i < parsed->u.array.length; i++) { id = json_o_get(parsed->u.array.values[i], "id"); name = json_o_str(parsed->u.array.values[i], "screen_name"); if (!name || !id || id->type != json_integer) { continue; } for (u = users; u; u = g_list_next(u)) { tf = u->data; if (g_strcasecmp(tf->text, name) == 0) { tf->uid = id->u.integer; users = g_list_delete_link(users, u); break; } } } finish: json_value_free(parsed); twitter_filter_stream(ic); if (!users) { return; } fstr = g_string_new(""); for (u = users; u; u = g_list_next(u)) { if (fstr->len > 0) { g_string_append(fstr, ", "); } g_string_append(fstr, tf->text); } imcb_error(ic, "Failed UID acquisitions: %s", fstr->str); g_string_free(fstr, TRUE); g_list_free(users); } gboolean twitter_open_filter_stream(struct im_connection *ic) { struct twitter_data *td = ic->proto_data; char *args[2] = { "screen_name", NULL }; GString *ustr = g_string_new(""); struct twitter_filter *tf; struct http_request *req; GSList *l; for (l = td->filters; l; l = g_slist_next(l)) { tf = l->data; if (tf->type != TWITTER_FILTER_TYPE_FOLLOW || tf->uid != 0) { continue; } if (ustr->len > 0) { g_string_append_c(ustr, ','); } g_string_append(ustr, tf->text); } if (ustr->len == 0) { g_string_free(ustr, TRUE); return twitter_filter_stream(ic); } args[1] = ustr->str; req = twitter_http(ic, TWITTER_USERS_LOOKUP_URL, twitter_filter_users_post, ic, 0, args, 2); g_string_free(ustr, TRUE); return req != NULL; } static void twitter_get_home_timeline(struct im_connection *ic, gint64 next_cursor); static void twitter_get_mentions(struct im_connection *ic, gint64 next_cursor); /** * Get the timeline with optionally mentions */ gboolean twitter_get_timeline(struct im_connection *ic, gint64 next_cursor) { struct twitter_data *td = ic->proto_data; gboolean include_mentions = set_getbool(&ic->acc->set, "fetch_mentions"); if (td->flags & TWITTER_DOING_TIMELINE) { if (++td->http_fails >= 5) { imcb_error(ic, "Fetch timeout (%d)", td->flags); imc_logout(ic, TRUE); return FALSE; } } td->flags |= TWITTER_DOING_TIMELINE; twitter_get_home_timeline(ic, next_cursor); if (include_mentions) { twitter_get_mentions(ic, next_cursor); } return TRUE; } /** * Call this one after receiving timeline/mentions. Show to user once we have * both. */ void twitter_flush_timeline(struct im_connection *ic) { struct twitter_data *td = ic->proto_data; gboolean include_mentions = set_getbool(&ic->acc->set, "fetch_mentions"); int show_old_mentions = set_getint(&ic->acc->set, "show_old_mentions"); struct twitter_xml_list *home_timeline = td->home_timeline_obj; struct twitter_xml_list *mentions = td->mentions_obj; guint64 last_id = 0; GSList *output = NULL; GSList *l; imcb_connected(ic); if (!(td->flags & TWITTER_GOT_TIMELINE)) { return; } if (include_mentions && !(td->flags & TWITTER_GOT_MENTIONS)) { return; } if (home_timeline && home_timeline->list) { for (l = home_timeline->list; l; l = g_slist_next(l)) { output = g_slist_insert_sorted(output, l->data, twitter_compare_elements); } } if (include_mentions && mentions && mentions->list) { for (l = mentions->list; l; l = g_slist_next(l)) { if (show_old_mentions < 1 && output && twitter_compare_elements(l->data, output->data) < 0) { continue; } output = g_slist_insert_sorted(output, l->data, twitter_compare_elements); } } // See if the user wants to see the messages in a groupchat window or as private messages. while (output) { struct twitter_xml_status *txs = output->data; if (txs->id != last_id) { twitter_status_show(ic, txs); } last_id = txs->id; output = g_slist_remove(output, txs); } txl_free(home_timeline); txl_free(mentions); td->flags &= ~(TWITTER_DOING_TIMELINE | TWITTER_GOT_TIMELINE | TWITTER_GOT_MENTIONS); td->home_timeline_obj = td->mentions_obj = NULL; } static void twitter_http_get_home_timeline(struct http_request *req); static void twitter_http_get_mentions(struct http_request *req); /** * Get the timeline. */ static void twitter_get_home_timeline(struct im_connection *ic, gint64 next_cursor) { struct twitter_data *td = ic->proto_data; txl_free(td->home_timeline_obj); td->home_timeline_obj = NULL; td->flags &= ~TWITTER_GOT_TIMELINE; char *args[6]; args[0] = "cursor"; args[1] = g_strdup_printf("%" G_GINT64_FORMAT, next_cursor); args[2] = "include_entities"; args[3] = "true"; if (td->timeline_id) { args[4] = "since_id"; args[5] = g_strdup_printf("%" G_GUINT64_FORMAT, td->timeline_id); } if (twitter_http(ic, TWITTER_HOME_TIMELINE_URL, twitter_http_get_home_timeline, ic, 0, args, td->timeline_id ? 6 : 4) == NULL) { if (++td->http_fails >= 5) { imcb_error(ic, "Could not retrieve %s: %s", TWITTER_HOME_TIMELINE_URL, "connection failed"); } td->flags |= TWITTER_GOT_TIMELINE; twitter_flush_timeline(ic); } g_free(args[1]); if (td->timeline_id) { g_free(args[5]); } } /** * Get mentions. */ static void twitter_get_mentions(struct im_connection *ic, gint64 next_cursor) { struct twitter_data *td = ic->proto_data; txl_free(td->mentions_obj); td->mentions_obj = NULL; td->flags &= ~TWITTER_GOT_MENTIONS; char *args[6]; args[0] = "cursor"; args[1] = g_strdup_printf("%" G_GINT64_FORMAT, next_cursor); args[2] = "include_entities"; args[3] = "true"; if (td->timeline_id) { args[4] = "since_id"; args[5] = g_strdup_printf("%" G_GUINT64_FORMAT, td->timeline_id); } else { args[4] = "count"; args[5] = g_strdup_printf("%d", set_getint(&ic->acc->set, "show_old_mentions")); } if (twitter_http(ic, TWITTER_MENTIONS_URL, twitter_http_get_mentions, ic, 0, args, 6) == NULL) { if (++td->http_fails >= 5) { imcb_error(ic, "Could not retrieve %s: %s", TWITTER_MENTIONS_URL, "connection failed"); } td->flags |= TWITTER_GOT_MENTIONS; twitter_flush_timeline(ic); } g_free(args[1]); g_free(args[5]); } /** * Callback for getting the home timeline. */ static void twitter_http_get_home_timeline(struct http_request *req) { struct im_connection *ic = req->data; struct twitter_data *td; json_value *parsed; struct twitter_xml_list *txl; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } td = ic->proto_data; txl = g_new0(struct twitter_xml_list, 1); txl->list = NULL; // The root <statuses> node should hold the list of statuses <status> if (!(parsed = twitter_parse_response(ic, req))) { goto end; } twitter_xt_get_status_list(ic, parsed, txl); json_value_free(parsed); td->home_timeline_obj = txl; end: if (!g_slist_find(twitter_connections, ic)) { return; } td->flags |= TWITTER_GOT_TIMELINE; twitter_flush_timeline(ic); } /** * Callback for getting mentions. */ static void twitter_http_get_mentions(struct http_request *req) { struct im_connection *ic = req->data; struct twitter_data *td; json_value *parsed; struct twitter_xml_list *txl; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } td = ic->proto_data; txl = g_new0(struct twitter_xml_list, 1); txl->list = NULL; // The root <statuses> node should hold the list of statuses <status> if (!(parsed = twitter_parse_response(ic, req))) { goto end; } twitter_xt_get_status_list(ic, parsed, txl); json_value_free(parsed); td->mentions_obj = txl; end: if (!g_slist_find(twitter_connections, ic)) { return; } td->flags |= TWITTER_GOT_MENTIONS; twitter_flush_timeline(ic); } /** * Callback to use after sending a POST request to twitter. * (Generic, used for a few kinds of queries.) */ static void twitter_http_post(struct http_request *req) { struct im_connection *ic = req->data; struct twitter_data *td; json_value *parsed, *id; // Check if the connection is still active. if (!g_slist_find(twitter_connections, ic)) { return; } td = ic->proto_data; td->last_status_id = 0; if (!(parsed = twitter_parse_response(ic, req))) { return; } if ((id = json_o_get(parsed, "id")) && id->type == json_integer) { td->last_status_id = id->u.integer; } json_value_free(parsed); if (req->flags & TWITTER_HTTP_USER_ACK) { twitter_log(ic, "Command processed successfully"); } } /** * Function to POST a new status to twitter. */ void twitter_post_status(struct im_connection *ic, char *msg, guint64 in_reply_to) { char *args[4] = { "status", msg, "in_reply_to_status_id", g_strdup_printf("%" G_GUINT64_FORMAT, in_reply_to) }; twitter_http(ic, TWITTER_STATUS_UPDATE_URL, twitter_http_post, ic, 1, args, in_reply_to ? 4 : 2); g_free(args[3]); } /** * Function to POST a new message to twitter. */ void twitter_direct_messages_new(struct im_connection *ic, char *who, char *msg) { char *args[4]; args[0] = "screen_name"; args[1] = who; args[2] = "text"; args[3] = msg; // Use the same callback as for twitter_post_status, since it does basically the same. twitter_http(ic, TWITTER_DIRECT_MESSAGES_NEW_URL, twitter_http_post, ic, 1, args, 4); } void twitter_friendships_create_destroy(struct im_connection *ic, char *who, int create) { char *args[2]; args[0] = "screen_name"; args[1] = who; twitter_http(ic, create ? TWITTER_FRIENDSHIPS_CREATE_URL : TWITTER_FRIENDSHIPS_DESTROY_URL, twitter_http_post, ic, 1, args, 2); } void twitter_status_destroy(struct im_connection *ic, guint64 id) { char *url; url = g_strdup_printf("%s%" G_GUINT64_FORMAT "%s", TWITTER_STATUS_DESTROY_URL, id, ".json"); twitter_http_f(ic, url, twitter_http_post, ic, 1, NULL, 0, TWITTER_HTTP_USER_ACK); g_free(url); } void twitter_status_retweet(struct im_connection *ic, guint64 id) { char *url; url = g_strdup_printf("%s%" G_GUINT64_FORMAT "%s", TWITTER_STATUS_RETWEET_URL, id, ".json"); twitter_http_f(ic, url, twitter_http_post, ic, 1, NULL, 0, TWITTER_HTTP_USER_ACK); g_free(url); } /** * Report a user for sending spam. */ void twitter_report_spam(struct im_connection *ic, char *screen_name) { char *args[2] = { "screen_name", NULL, }; args[1] = screen_name; twitter_http_f(ic, TWITTER_REPORT_SPAM_URL, twitter_http_post, ic, 1, args, 2, TWITTER_HTTP_USER_ACK); } /** * Favourite a tweet. */ void twitter_favourite_tweet(struct im_connection *ic, guint64 id) { char *args[2] = { "id", NULL, }; args[1] = g_strdup_printf("%" G_GUINT64_FORMAT, id); twitter_http_f(ic, TWITTER_FAVORITE_CREATE_URL, twitter_http_post, ic, 1, args, 2, TWITTER_HTTP_USER_ACK); g_free(args[1]); }


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