--- a/libpurple/protocols/yahoo/yahoo_picture.c Wed Oct 05 21:14:58 2016 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,611 +0,0 @@
-/*
- * purple
- *
- * Purple is the legal property of its developers, whose names are too numerous
- * to list here. Please refer to the COPYRIGHT file distributed with this
- * source distribution.
- *
- * 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 Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
- *
- */
-
-#include "internal.h"
-
-#include "account.h"
-#include "accountopt.h"
-#include "blist.h"
-#include "debug.h"
-#include "privacy.h"
-#include "prpl.h"
-#include "proxy.h"
-#include "util.h"
-
-#include "libymsg.h"
-#include "yahoo_packet.h"
-#include "yahoo_friend.h"
-#include "yahoo_picture.h"
-
-
-struct yahoo_fetch_picture_data {
- PurpleConnection *gc;
- char *who;
- int checksum;
-};
-
-static void
-yahoo_fetch_picture_cb(PurpleUtilFetchUrlData *url_data, gpointer user_data,
- const gchar *pic_data, size_t len, const gchar *error_message)
-{
- struct yahoo_fetch_picture_data *d;
- YahooData *yd;
-
- d = user_data;
- yd = d->gc->proto_data;
- yd->url_datas = g_slist_remove(yd->url_datas, url_data);
-
- if (error_message != NULL) {
- purple_debug_error("yahoo", "Fetching buddy icon failed: %s\n", error_message);
- } else if (len == 0) {
- purple_debug_error("yahoo", "Fetched an icon with length 0. Strange.\n");
- } else {
- char *checksum = g_strdup_printf("%i", d->checksum);
- purple_buddy_icons_set_for_user(purple_connection_get_account(d->gc), d->who, g_memdup(pic_data, len), len, checksum);
- g_free(checksum);
- }
-
- g_free(d->who);
- g_free(d);
-}
-
-void yahoo_process_picture(PurpleConnection *gc, struct yahoo_packet *pkt)
-{
- YahooData *yd;
- GSList *l = pkt->hash;
- char *who = NULL;
- gboolean got_icon_info = FALSE, send_icon_info = FALSE;
- char *url = NULL;
- int checksum = 0;
-
- while (l) {
- struct yahoo_pair *pair = l->data;
-
- switch (pair->key) {
- case 1:
- case 4:
- if (g_utf8_validate(pair->value, -1, NULL)) {
- who = pair->value;
- } else {
- purple_debug_warning("yahoo", "yahoo_process_picture "
- "got non-UTF-8 string for key %d\n", pair->key);
- }
- break;
- case 5: /* us */
- break;
- case 13: {
- int tmp;
- tmp = strtol(pair->value, NULL, 10);
- if (tmp == 1) {
- send_icon_info = TRUE;
- } else if (tmp == 2) {
- got_icon_info = TRUE;
- }
- break;
- }
- case 20:
- if (g_utf8_validate(pair->value, -1, NULL)) {
- url = pair->value;
- } else {
- purple_debug_warning("yahoo", "yahoo_process_picture "
- "got non-UTF-8 string for key %d\n", pair->key);
- }
- break;
- case 192:
- checksum = strtol(pair->value, NULL, 10);
- break;
- }
-
- l = l->next;
- }
-
- if (!who)
- return;
-
- if (!purple_privacy_check(purple_connection_get_account(gc), who)) {
- purple_debug_info("yahoo", "Picture packet from %s dropped.\n", who);
- return;
- }
-
- /* Yahoo IM 6 spits out 0.png as the URL if the buddy icon is not set */
- if (who && got_icon_info && url && !g_ascii_strncasecmp(url, "http://", 7)) {
- /* TODO: make this work p2p, try p2p before the url */
- PurpleUtilFetchUrlData *url_data;
- struct yahoo_fetch_picture_data *data;
- /* use whole URL if using HTTP Proxy */
- gboolean use_whole_url = yahoo_account_use_http_proxy(gc);
-
- data = g_new0(struct yahoo_fetch_picture_data, 1);
- data->gc = gc;
- data->who = g_strdup(who);
- data->checksum = checksum;
- /* TODO: Does this need to be MSIE 5.0? */
- url_data = purple_util_fetch_url(url, use_whole_url,
- "Mozilla/4.0 (compatible; MSIE 5.5)", FALSE,
- yahoo_fetch_picture_cb, data);
- if (url_data != NULL) {
- yd = gc->proto_data;
- yd->url_datas = g_slist_prepend(yd->url_datas, url_data);
- }
- } else if (who && send_icon_info) {
- yahoo_send_picture_info(gc, who);
- }
-}
-
-void yahoo_process_picture_checksum(PurpleConnection *gc, struct yahoo_packet *pkt)
-{
- GSList *l = pkt->hash;
- char *who = NULL;
- int checksum = 0;
-
- while (l) {
- struct yahoo_pair *pair = l->data;
-
- switch (pair->key) {
- case 4:
- if (g_utf8_validate(pair->value, -1, NULL)) {
- who = pair->value;
- } else {
- purple_debug_warning("yahoo", "yahoo_process_picture_checksum "
- "got non-UTF-8 string for key %d\n", pair->key);
- }
- break;
- case 5:
- /* us */
- break;
- case 192:
- checksum = strtol(pair->value, NULL, 10);
- break;
- }
- l = l->next;
- }
-
- if (who) {
- PurpleBuddy *b = purple_find_buddy(gc->account, who);
- const char *locksum = NULL;
-
- /* FIXME: Cleanup this strtol() stuff if possible. */
- if (b) {
- locksum = purple_buddy_icons_get_checksum_for_user(b);
- if (!locksum || (checksum != strtol(locksum, NULL, 10)))
- yahoo_send_picture_request(gc, who);
- }
- }
-}
-
-void yahoo_process_picture_upload(PurpleConnection *gc, struct yahoo_packet *pkt)
-{
- PurpleAccount *account = purple_connection_get_account(gc);
- YahooData *yd = gc->proto_data;
- GSList *l = pkt->hash;
- char *url = NULL;
-
- while (l) {
- struct yahoo_pair *pair = l->data;
-
- switch (pair->key) {
- case 5:
- /* us */
- break;
- case 27:
- /* filename on our computer. */
- break;
- case 20: /* url at yahoo */
- if (g_utf8_validate(pair->value, -1, NULL)) {
- url = pair->value;
- } else {
- purple_debug_warning("yahoo", "yahoo_process_picture_upload "
- "got non-UTF-8 string for key %d\n", pair->key);
- }
- case 38: /* timestamp */
- break;
- }
- l = l->next;
- }
-
- if (url) {
- g_free(yd->picture_url);
- yd->picture_url = g_strdup(url);
- purple_account_set_string(account, YAHOO_PICURL_SETTING, url);
- purple_account_set_int(account, YAHOO_PICCKSUM_SETTING, yd->picture_checksum);
- yahoo_send_picture_checksum(gc);
- yahoo_send_picture_update(gc, 2);
- }
-}
-
-void yahoo_process_avatar_update(PurpleConnection *gc, struct yahoo_packet *pkt)
-{
- GSList *l = pkt->hash;
- char *who = NULL;
- int avatar = 0;
-
- while (l) {
- struct yahoo_pair *pair = l->data;
-
- switch (pair->key) {
- case 4:
- if (g_utf8_validate(pair->value, -1, NULL)) {
- who = pair->value;
- } else {
- purple_debug_warning("yahoo", "yahoo_process_avatar_upload "
- "got non-UTF-8 string for key %d\n", pair->key);
- }
- break;
- case 5:
- /* us */
- break;
- case 206: /* Older versions. Still needed? */
- case 213: /* Newer versions */
- /*
- * 0 - No icon or avatar
- * 1 - Using an avatar
- * 2 - Using an icon
- */
- avatar = strtol(pair->value, NULL, 10);
- break;
- }
- l = l->next;
- }
-
- if (who) {
- if (avatar == 2)
- yahoo_send_picture_request(gc, who);
- else if ((avatar == 0) || (avatar == 1)) {
- YahooFriend *f;
- purple_buddy_icons_set_for_user(gc->account, who, NULL, 0, NULL);
- if ((f = yahoo_friend_find(gc, who)))
- yahoo_friend_set_buddy_icon_need_request(f, TRUE);
- purple_debug_misc("yahoo", "Setting user %s's icon to NULL.\n", who);
- }
- }
-}
-
-void yahoo_send_picture_info(PurpleConnection *gc, const char *who)
-{
- YahooData *yd = gc->proto_data;
- struct yahoo_packet *pkt;
-
- if (!yd->picture_url) {
- purple_debug_warning("yahoo", "Attempted to send picture info without a picture\n");
- return;
- }
-
- pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YAHOO_STATUS_AVAILABLE, yd->session_id);
- yahoo_packet_hash(pkt, "ssssi", 1, purple_connection_get_display_name(gc),
- 5, who,
- 13, "2", 20, yd->picture_url, 192, yd->picture_checksum);
- yahoo_packet_send_and_free(pkt, yd);
-}
-
-void yahoo_send_picture_request(PurpleConnection *gc, const char *who)
-{
- YahooData *yd = gc->proto_data;
- struct yahoo_packet *pkt;
-
- pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YAHOO_STATUS_AVAILABLE, yd->session_id);
- yahoo_packet_hash_str(pkt, 1, purple_connection_get_display_name(gc)); /* me */
- yahoo_packet_hash_str(pkt, 5, who); /* the other guy */
- yahoo_packet_hash_str(pkt, 13, "1"); /* 1 = request, 2 = reply */
- yahoo_packet_send_and_free(pkt, yd);
-}
-
-void yahoo_send_picture_checksum(PurpleConnection *gc)
-{
- YahooData *yd = gc->proto_data;
- struct yahoo_packet *pkt;
-
- pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_CHECKSUM, YAHOO_STATUS_AVAILABLE, yd->session_id);
- yahoo_packet_hash(pkt, "ssi", 1, purple_connection_get_display_name(gc),
- 212, "1", 192, yd->picture_checksum);
- yahoo_packet_send_and_free(pkt, yd);
-}
-
-void yahoo_send_picture_update_to_user(PurpleConnection *gc, const char *who, int type)
-{
- YahooData *yd = gc->proto_data;
- struct yahoo_packet *pkt;
-
- pkt = yahoo_packet_new(YAHOO_SERVICE_AVATAR_UPDATE, YAHOO_STATUS_AVAILABLE, yd->session_id);
- yahoo_packet_hash(pkt, "si", 3, who, 213, type);
- yahoo_packet_send_and_free(pkt, yd);
-}
-
-struct yspufe {
- PurpleConnection *gc;
- int type;
-};
-
-static void yahoo_send_picture_update_foreach(gpointer key, gpointer value, gpointer data)
-{
- const char *who = key;
- YahooFriend *f = value;
- struct yspufe *d = data;
-
- if (f->status != YAHOO_STATUS_OFFLINE)
- yahoo_send_picture_update_to_user(d->gc, who, d->type);
-}
-
-void yahoo_send_picture_update(PurpleConnection *gc, int type)
-{
- YahooData *yd = gc->proto_data;
- struct yspufe data;
-
- data.gc = gc;
- data.type = type;
-
- g_hash_table_foreach(yd->friends, yahoo_send_picture_update_foreach, &data);
-}
-
-void yahoo_buddy_icon_upload_data_free(struct yahoo_buddy_icon_upload_data *d)
-{
- purple_debug_misc("yahoo", "In yahoo_buddy_icon_upload_data_free()\n");
-
- if (d->str)
- g_string_free(d->str, TRUE);
- g_free(d->filename);
- if (d->watcher)
- purple_input_remove(d->watcher);
- if (d->fd != -1)
- close(d->fd);
- g_free(d);
-}
-
-/* we couldn't care less about the server's response, but yahoo gets grumpy if we close before it sends it */
-static void yahoo_buddy_icon_upload_reading(gpointer data, gint source, PurpleInputCondition condition)
-{
- struct yahoo_buddy_icon_upload_data *d = data;
- PurpleConnection *gc = d->gc;
- char buf[1024];
- int ret;
-
- if (!PURPLE_CONNECTION_IS_VALID(gc)) {
- yahoo_buddy_icon_upload_data_free(d);
- return;
- }
-
- ret = read(d->fd, buf, sizeof(buf));
-
- if (ret < 0 && errno == EAGAIN)
- return;
- else if (ret <= 0) {
- /* There are other problems if d->str->len overflows, so shut up the
- * warning on 64-bit. */
- purple_debug_info("yahoo", "Buddy icon upload response (%" G_GSIZE_FORMAT ") bytes (> ~400 indicates failure):\n%.*s\n",
- d->str->len, (guint)d->str->len, d->str->str);
-
- yahoo_buddy_icon_upload_data_free(d);
- return;
- }
-
- g_string_append_len(d->str, buf, ret);
-}
-
-static void yahoo_buddy_icon_upload_pending(gpointer data, gint source, PurpleInputCondition condition)
-{
- struct yahoo_buddy_icon_upload_data *d = data;
- PurpleConnection *gc = d->gc;
- gssize wrote;
-
- if (!PURPLE_CONNECTION_IS_VALID(gc)) {
- yahoo_buddy_icon_upload_data_free(d);
- return;
- }
-
- wrote = write(d->fd, d->str->str + d->pos, d->str->len - d->pos);
- if (wrote < 0 && errno == EAGAIN)
- return;
- if (wrote <= 0) {
- purple_debug_info("yahoo", "Error uploading buddy icon.\n");
- yahoo_buddy_icon_upload_data_free(d);
- return;
- }
- d->pos += wrote;
- if ((size_t)d->pos >= d->str->len) {
- purple_debug_misc("yahoo", "Finished uploading buddy icon.\n");
- purple_input_remove(d->watcher);
- /* Clean out the sent buffer and reuse it to read the result */
- g_string_free(d->str, TRUE);
- d->str = g_string_new("");
- d->watcher = purple_input_add(d->fd, PURPLE_INPUT_READ, yahoo_buddy_icon_upload_reading, d);
- }
-}
-
-static void yahoo_buddy_icon_upload_connected(gpointer data, gint source, const gchar *error_message)
-{
- struct yahoo_buddy_icon_upload_data *d = data;
- struct yahoo_packet *pkt;
- gchar *tmp, *header;
- guchar *pkt_buf;
- const char *host;
- int port;
- gsize pkt_buf_len;
- PurpleConnection *gc = d->gc;
- PurpleAccount *account;
- YahooData *yd;
- /* use whole URL if using HTTP Proxy */
- gboolean use_whole_url = yahoo_account_use_http_proxy(gc);
-
- account = purple_connection_get_account(gc);
- yd = gc->proto_data;
-
- /* Buddy icon connect is now complete; clear the PurpleProxyConnectData */
- yd->buddy_icon_connect_data = NULL;
-
- if (source < 0) {
- purple_debug_error("yahoo", "Buddy icon upload failed: %s\n", error_message);
- yahoo_buddy_icon_upload_data_free(d);
- return;
- }
-
- pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_UPLOAD, YAHOO_STATUS_AVAILABLE, yd->session_id);
-
- tmp = g_strdup_printf("%" G_GSIZE_FORMAT, d->str->len);
- /* 1 = me, 38 = expire time(?), 0 = me, 28 = size, 27 = filename, 14 = NULL, 29 = data */
- yahoo_packet_hash_str(pkt, 1, purple_connection_get_display_name(gc));
- yahoo_packet_hash_str(pkt, 38, "604800"); /* time til expire */
- purple_account_set_int(account, YAHOO_PICEXPIRE_SETTING, time(NULL) + 604800);
- yahoo_packet_hash_str(pkt, 0, purple_connection_get_display_name(gc));
- yahoo_packet_hash_str(pkt, 28, tmp);
- g_free(tmp);
- yahoo_packet_hash_str(pkt, 27, d->filename);
- yahoo_packet_hash_str(pkt, 14, "");
- /* 4 padding for the 29 key name */
- pkt_buf_len = yahoo_packet_build(pkt, 4, FALSE, yd->jp, &pkt_buf);
- yahoo_packet_free(pkt);
-
- /* header + packet + "29" + 0xc0 + 0x80) + pictureblob */
-
- host = purple_account_get_string(account, "xfer_host", yd->jp? YAHOOJP_XFER_HOST : YAHOO_XFER_HOST);
- port = purple_account_get_int(account, "xfer_port", YAHOO_XFER_PORT);
- tmp = g_strdup_printf("%s:%d", host, port);
- header = g_strdup_printf("POST %s%s/notifyft HTTP/1.1\r\n"
- "User-Agent: " YAHOO_CLIENT_USERAGENT "\r\n"
- "Cookie: T=%s; Y=%s\r\n"
- "Host: %s\r\n"
- "Content-Length: %" G_GSIZE_FORMAT "\r\n"
- "Cache-Control: no-cache\r\n\r\n",
- use_whole_url ? "http://" : "", use_whole_url ? tmp : "",
- yd->cookie_t, yd->cookie_y,
- tmp,
- pkt_buf_len + 4 + d->str->len);
- g_free(tmp);
-
- /* There's no magic here, we just need to prepend in reverse order */
- g_string_prepend(d->str, "29\xc0\x80");
-
- g_string_prepend_len(d->str, (char *)pkt_buf, pkt_buf_len);
- g_free(pkt_buf);
-
- g_string_prepend(d->str, header);
- g_free(header);
-
- /* There are other problems if we're uploading over 4GB of data */
- purple_debug_info("yahoo", "Buddy icon upload data:\n%.*s\n", (guint)d->str->len, d->str->str);
-
- d->fd = source;
- d->watcher = purple_input_add(d->fd, PURPLE_INPUT_WRITE, yahoo_buddy_icon_upload_pending, d);
-
- yahoo_buddy_icon_upload_pending(d, d->fd, PURPLE_INPUT_WRITE);
-}
-
-void yahoo_buddy_icon_upload(PurpleConnection *gc, struct yahoo_buddy_icon_upload_data *d)
-{
- PurpleAccount *account = purple_connection_get_account(gc);
- YahooData *yd = gc->proto_data;
-
- if (yd->buddy_icon_connect_data != NULL) {
- /* Cancel any in-progress buddy icon upload */
- purple_proxy_connect_cancel(yd->buddy_icon_connect_data);
- yd->buddy_icon_connect_data = NULL;
- }
-
- yd->buddy_icon_connect_data = purple_proxy_connect(NULL, account,
- purple_account_get_string(account, "xfer_host",
- yd->jp? YAHOOJP_XFER_HOST : YAHOO_XFER_HOST),
- purple_account_get_int(account, "xfer_port", YAHOO_XFER_PORT),
- yahoo_buddy_icon_upload_connected, d);
-
- if (yd->buddy_icon_connect_data == NULL)
- {
- purple_debug_error("yahoo", "Uploading our buddy icon failed to connect.\n");
- yahoo_buddy_icon_upload_data_free(d);
- }
-}
-
-static int yahoo_buddy_icon_calculate_checksum(const guchar *data, gsize len)
-{
- /* This code is borrowed from Kopete, which seems to be managing to calculate
- checksums in such a manner that Yahoo!'s servers are happy */
-
- const guchar *p = data;
- int checksum = 0, g, i = len;
-
- while(i--) {
- checksum = (checksum << 4) + *p++;
-
- if((g = (checksum & 0xf0000000)) != 0)
- checksum ^= g >> 23;
-
- checksum &= ~g;
- }
-
- purple_debug_misc("yahoo", "Calculated buddy icon checksum: %d\n", checksum);
-
- return checksum;
-}
-
-void yahoo_set_buddy_icon(PurpleConnection *gc, PurpleStoredImage *img)
-{
- YahooData *yd = gc->proto_data;
- PurpleAccount *account = gc->account;
-
- if (img == NULL) {
- g_free(yd->picture_url);
- yd->picture_url = NULL;
-
- /* TODO: don't we have to clear it on the server too?! */
-
- purple_account_set_string(account, YAHOO_PICURL_SETTING, NULL);
- purple_account_set_int(account, YAHOO_PICCKSUM_SETTING, 0);
- purple_account_set_int(account, YAHOO_PICEXPIRE_SETTING, 0);
- if (yd->logged_in)
- /* Tell everyone we ain't got one no more */
- yahoo_send_picture_update(gc, 0);
-
- } else {
- gconstpointer data = purple_imgstore_get_data(img);
- size_t len = purple_imgstore_get_size(img);
- GString *s = g_string_new_len(data, len);
- struct yahoo_buddy_icon_upload_data *d;
- int oldcksum = purple_account_get_int(account, YAHOO_PICCKSUM_SETTING, 0);
- int expire = purple_account_get_int(account, YAHOO_PICEXPIRE_SETTING, 0);
- const char *oldurl = purple_account_get_string(account, YAHOO_PICURL_SETTING, NULL);
-
- yd->picture_checksum = yahoo_buddy_icon_calculate_checksum(data, len);
-
- if ((yd->picture_checksum == oldcksum) &&
- (expire > (time(NULL) + 60*60*24)) && oldurl)
- {
- purple_debug_misc("yahoo", "buddy icon is up to date. Not reuploading.\n");
- g_string_free(s, TRUE);
- g_free(yd->picture_url);
- yd->picture_url = g_strdup(oldurl);
- return;
- }
-
- /* We use this solely for sending a filename to the server */
- d = g_new0(struct yahoo_buddy_icon_upload_data, 1);
- d->gc = gc;
- d->str = s;
- d->fd = -1;
- d->filename = g_strdup(purple_imgstore_get_filename(img));
-
- if (!yd->logged_in) {
- yd->picture_upload_todo = d;
- return;
- }
-
- yahoo_buddy_icon_upload(gc, d);
-
- }
-}