pidgin: 380019ce: Add a gnt TinyURL plugin. Closes #2017

wabz at pidgin.im wabz at pidgin.im
Mon Apr 6 06:40:39 EDT 2009


-----------------------------------------------------------------
Revision: 380019ceb200b91970706ec6a62ba06c65e931ce
Ancestor: 0257ab6e534144a7fd317f997e1f0e19ff8bd82b
Author: wabz at pidgin.im
Date: 2009-04-06T10:36:43
Branch: im.pidgin.pidgin
URL: http://d.pidgin.im/viewmtn/revision/info/380019ceb200b91970706ec6a62ba06c65e931ce

Added files:
        finch/plugins/gnttinyurl.c
Modified files:
        finch/plugins/Makefile.am po/POTFILES.in

ChangeLog: 

Add a gnt TinyURL plugin. Closes #2017

-------------- next part --------------
============================================================
--- finch/plugins/gnttinyurl.c	8d8a3049bc2ff7bd41db7da65124f424f2e36f6a
+++ finch/plugins/gnttinyurl.c	8d8a3049bc2ff7bd41db7da65124f424f2e36f6a
@@ -0,0 +1,415 @@
+/**
+ * @file gnttinyurl.c
+ *
+ * Copyright (C) 2009 Richard Nelson <wabz at whatsbeef.net>
+ *
+ * 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 <glib.h>
+
+#define PLUGIN_STATIC_NAME	TinyURL
+#define PREFS_BASE          "/plugins/gnt/tinyurl"
+#define PREF_LENGTH  PREFS_BASE "/length"
+#define PREF_URL  PREFS_BASE "/url"
+
+
+#include <conversation.h>
+#include <signals.h>
+
+#include <glib.h>
+
+#include <plugin.h>
+#include <version.h>
+#include <debug.h>
+#include <notify.h>
+
+#include <gntconv.h>
+
+#include <gntplugin.h>
+#include <gnttextview.h>
+
+static int tag_num = 0;
+
+typedef struct
+{
+	PurpleConversation *conv;
+	gchar *tag;
+	int num;
+} CbInfo;
+
+/* 3 functions from util.c */
+static gboolean
+badchar(char c)
+{
+	switch (c) {
+	case ' ':
+	case ',':
+	case '\0':
+	case '\n':
+	case '\r':
+	case '<':
+	case '>':
+	case '"':
+	case '\'':
+		return TRUE;
+	default:
+		return FALSE;
+	}
+}
+
+static gboolean
+badentity(const char *c)
+{
+	if (!g_ascii_strncasecmp(c, "&lt;", 4) ||
+		!g_ascii_strncasecmp(c, "&gt;", 4) ||
+		!g_ascii_strncasecmp(c, "&quot;", 6)) {
+		return TRUE;
+	}
+	return FALSE;
+}
+
+static GList *extract_urls(char *text) {
+	const char *t, *c, *q = NULL;
+	char *url_buf;
+	GList *ret = NULL;
+	gboolean inside_html = FALSE;
+	int inside_paren = 0;
+	c = text;
+	while (*c) {
+		if (*c == '(' && !inside_html) {
+			inside_paren++;
+			c++;
+		}
+		if (inside_html) {
+			if (*c == '>') {
+				inside_html = FALSE;
+			} else if (!q && (*c == '\"' || *c == '\'')) {
+				q = c;
+			} else if(q) {
+				if(*c == *q)
+					q = NULL;
+			}
+		} else if (*c == '<') {
+			inside_html = TRUE;
+			if (!g_ascii_strncasecmp(c, "<A", 2)) {
+				while (1) {
+					if (*c == '>') {
+						inside_html = FALSE;
+						break;
+					}
+					c++;
+					if (!(*c))
+						break;
+				}
+			}
+		} else if ((*c=='h') && (!g_ascii_strncasecmp(c, "http://", 7) ||
+					(!g_ascii_strncasecmp(c, "https://", 8)))) {
+			t = c;
+			while (1) {
+				if (badchar(*t) || badentity(t)) {
+
+					if ((!g_ascii_strncasecmp(c, "http://", 7) && (t - c == 7)) ||
+						(!g_ascii_strncasecmp(c, "https://", 8) && (t - c == 8))) {
+						break;
+					}
+
+					if (*(t) == ',' && (*(t + 1) != ' ')) {
+						t++;
+						continue;
+					}
+
+					if (*(t - 1) == '.')
+						t--;
+					if ((*(t - 1) == ')' && (inside_paren > 0))) {
+						t--;
+					}
+
+					url_buf = g_strndup(c, t - c);
+					if (!g_list_find_custom(ret, url_buf, (GCompareFunc)g_strcmp0)) {
+						purple_debug_info("TinyURL", "Added URL %s\n", url_buf);
+						ret = g_list_append(ret, g_strdup(url_buf));
+					}
+					c = t;
+					break;
+				}
+				t++;
+
+			}
+		} else if (!g_ascii_strncasecmp(c, "www.", 4) && (c == text || badchar(c[-1]) || badentity(c-1))) {
+			if (c[4] != '.') {
+				t = c;
+				while (1) {
+					if (badchar(*t) || badentity(t)) {
+						if (t - c == 4) {
+							break;
+						}
+
+						if (*(t) == ',' && (*(t + 1) != ' ')) {
+							t++;
+							continue;
+						}
+
+						if (*(t - 1) == '.')
+							t--;
+						if ((*(t - 1) == ')' && (inside_paren > 0))) {
+							t--;
+						}
+						url_buf = g_strndup(c, t - c);
+						if (!g_list_find_custom(ret, url_buf, (GCompareFunc)g_strcmp0)) {
+							purple_debug_info("TinyURL", "Added URL %s\n", url_buf);
+							ret = g_list_append(ret, url_buf);
+						}
+						c = t;
+						break;
+					}
+					t++;
+				}
+			}
+		}
+		if (*c == ')' && !inside_html) {
+			inside_paren--;
+			c++;
+		}
+		if (*c == 0)
+			break;
+		c++;
+	}
+	return ret;
+}
+
+static void url_fetched(PurpleUtilFetchUrlData *url_data, gpointer cb_data,
+				const gchar *url_text, gsize len, const gchar *error_message)
+{
+	CbInfo *data = (CbInfo *)cb_data;
+	PurpleConversation *conv = data->conv;
+	GList *convs = purple_get_conversations();
+	/* ensure the conversation still exists */
+	for (; convs; convs = convs->next) {
+		if ((PurpleConversation *)(convs->data) == conv) {
+			FinchConv *fconv = FINCH_CONV(conv);
+			gchar *str = g_strdup_printf("[%d] %s", data->num, url_text);
+			GntTextView *tv = GNT_TEXT_VIEW(fconv->tv);
+			gnt_text_view_tag_change(tv, data->tag, str, FALSE);
+			g_free(str);
+			g_free(data->tag);
+			return;
+		}
+	}
+	g_free(data->tag);
+	purple_debug_info("TinyURL", "Conversation no longer exists... :(\n");
+}
+
+static void free_urls(gpointer data, gpointer null)
+{
+	g_free(data);
+}
+
+static gboolean receiving_msg(PurpleAccount *account, char **sender, char **message,
+				PurpleConversation *conv, PurpleMessageFlags *flags) {
+	GString *t;
+	GList *iter, *urls;
+	int c = 0;
+
+	if (!(*flags & PURPLE_MESSAGE_RECV) || *flags & PURPLE_MESSAGE_INVISIBLE)
+		return FALSE;
+
+	t = g_string_new(*message);
+	urls = purple_conversation_get_data(conv, "TinyURLs");
+	if (urls != NULL) /* message was cancelled somewhere? Reset. */
+		g_list_foreach(urls, free_urls, NULL);
+	g_list_free(urls);
+	urls = extract_urls(t->str);
+	g_free(*message);
+	for (iter = urls; iter; iter = iter->next) {
+		if (g_utf8_strlen((char *)iter->data, -1) >= purple_prefs_get_int(PREF_LENGTH)) {
+			int pos, x = 0;
+			gchar *j, *s, *str, *orig;
+			glong len = g_utf8_strlen(iter->data, -1);
+			s = g_strdup(t->str);
+			orig = s;
+			str = g_strdup_printf("[%d]", ++c);
+			while ((j = strstr(s, iter->data))) { /* replace all occurrences */
+				pos = j - orig + (x++ * 3);
+				s = j + len;
+				t = g_string_insert(t, pos + len, str);
+				if (*s == '\0') break;
+			}
+			g_free(orig);
+			g_free(str);
+			continue;
+		} else {
+			if (iter->prev) {
+				iter = iter->prev;
+				g_free(iter->next->data);
+				urls = g_list_delete_link(urls, iter->next);
+			} else {
+				g_free(iter->data);
+				g_list_free(urls);
+				urls = NULL;
+			}
+		}
+	}
+	*message = t->str;
+	g_string_free(t, FALSE);
+	if (conv == NULL)
+		conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, *sender);
+	purple_conversation_set_data(conv, "TinyURLs", urls);
+	return FALSE;
+}
+
+static void received_msg(PurpleAccount *account, char *sender, char *message,
+				PurpleConversation *conv, PurpleMessageFlags flags) {
+	int c;
+	GList *urls, *iter;
+	FinchConv *fconv = FINCH_CONV(conv);
+	GntTextView *tv = GNT_TEXT_VIEW(fconv->tv);
+
+	urls = purple_conversation_get_data(conv, "TinyURLs");
+	if (!(flags & PURPLE_MESSAGE_RECV) || urls == NULL)
+		return;
+
+	for (iter = urls, c = 0; iter; iter = iter->next) {
+		int i;
+		CbInfo *cbdata;
+		gchar *url, *str, *tmp;
+		cbdata = g_new(CbInfo, 1);
+		cbdata->num = ++c;
+		cbdata->tag = g_strdup_printf("%s%d", "tiny_", tag_num++);
+		cbdata->conv = conv;
+		tmp = purple_unescape_html((char *)iter->data);
+		if (g_ascii_strncasecmp(tmp, "http://", 7) && g_ascii_strncasecmp(tmp, "https://", 8)) {
+			url = g_strdup_printf("%shttp://%s", purple_prefs_get_string(PREF_URL), tmp);
+		} else {
+			url = g_strdup_printf("%s%s", purple_prefs_get_string(PREF_URL), tmp);
+		}
+		g_free(tmp);
+		purple_util_fetch_url(url, TRUE, "finch", FALSE, url_fetched, cbdata);
+		i = gnt_text_view_get_lines_below(tv);
+		str = g_strdup_printf(_("\nFetching TinyURL..."));
+		gnt_text_view_append_text_with_tag((tv), str, GNT_TEXT_FLAG_DIM, cbdata->tag);
+		g_free(str);
+		if (i == 0)
+			gnt_text_view_scroll(tv, 0);
+		g_free(iter->data);
+		g_free(url);
+	}
+	g_list_free(urls);
+	purple_conversation_set_data(conv, "TinyURLs", NULL);
+}
+
+static void
+free_conv_urls(PurpleConversation *conv)
+{
+	GList *urls = purple_conversation_get_data(conv, "TinyURLs");
+	if (urls)
+		g_list_foreach(urls, free_urls, NULL);
+	g_list_free(urls);
+}
+
+static gboolean
+plugin_load(PurplePlugin *plugin) {
+	purple_signal_connect(purple_conversations_get_handle(),
+			"wrote-im-msg",
+			plugin, PURPLE_CALLBACK(received_msg), NULL);
+	purple_signal_connect(purple_conversations_get_handle(),
+			"wrote-chat-msg",
+			plugin, PURPLE_CALLBACK(received_msg), NULL);
+	purple_signal_connect(purple_conversations_get_handle(),
+			"receiving-im-msg",
+			plugin, PURPLE_CALLBACK(receiving_msg), NULL);
+	purple_signal_connect(purple_conversations_get_handle(),
+			"receiving-chat-msg",
+			plugin, PURPLE_CALLBACK(receiving_msg), NULL);
+	purple_signal_connect(purple_conversations_get_handle(),
+			"deleting-conversation",
+			plugin, PURPLE_CALLBACK(free_conv_urls), NULL);
+
+	return TRUE;
+}
+
+static PurplePluginPrefFrame *
+get_plugin_pref_frame(PurplePlugin *plugin) {
+
+  PurplePluginPrefFrame *frame;
+  PurplePluginPref *pref;
+
+  frame = purple_plugin_pref_frame_new();
+
+  pref = purple_plugin_pref_new_with_name(PREF_LENGTH);
+  purple_plugin_pref_set_label(pref, _("Only create TinyURL for urls"
+				     " of this length or greater"));
+  purple_plugin_pref_frame_add(frame, pref);
+  pref = purple_plugin_pref_new_with_name(PREF_URL);
+  purple_plugin_pref_set_label(pref, _("TinyURL (or other) address prefix"));
+  purple_plugin_pref_frame_add(frame, pref);
+
+  return frame;
+}
+
+static PurplePluginUiInfo prefs_info = {
+  get_plugin_pref_frame,
+  0,    /* page_num (Reserved) */
+  NULL, /* frame (Reserved) */
+
+  /* padding */
+  NULL,
+  NULL,
+  NULL,
+  NULL
+};
+
+static PurplePluginInfo info =
+{
+	PURPLE_PLUGIN_MAGIC,
+	PURPLE_MAJOR_VERSION,
+	PURPLE_MINOR_VERSION,
+	PURPLE_PLUGIN_STANDARD,
+	FINCH_PLUGIN_TYPE,
+	0,
+	NULL,
+	PURPLE_PRIORITY_DEFAULT,
+	"TinyURL",
+	N_("TinyURL"),
+	DISPLAY_VERSION,
+	N_("TinyURL plugin"),
+	N_("When receiving a message with URL(s), TinyURL for easier copying"),
+	"Richard Nelson <wabz at whatsbeef.net>",
+	PURPLE_WEBSITE,
+	plugin_load,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	&prefs_info,            /**< prefs_info */
+	NULL,
+
+	/* padding */
+	NULL,
+	NULL,
+	NULL,
+	NULL
+};
+
+static void
+init_plugin(PurplePlugin *plugin) {
+  purple_prefs_add_none(PREFS_BASE);
+  purple_prefs_add_int(PREF_LENGTH, 30);
+  purple_prefs_add_string(PREF_URL, "http://tinyurl.com/api-create.php?url=");
+}
+
+PURPLE_INIT_PLUGIN(PLUGIN_STATIC_NAME, init_plugin, info)
============================================================
--- finch/plugins/Makefile.am	7eac62a43baa103d3e2601353505256a0dc11b1a
+++ finch/plugins/Makefile.am	cf07fff086ac9b82f5b0a20aab55b353a45b5c94
@@ -2,6 +2,7 @@ gntlastlog_la_LDFLAGS = -module -avoid-v
 gntgf_la_LDFLAGS      = -module -avoid-version
 gnthistory_la_LDFLAGS = -module -avoid-version
 gntlastlog_la_LDFLAGS = -module -avoid-version
+gnttinyurl_la_LDFLAGS = -module -avoid-version
 grouping_la_LDFLAGS   = -module -avoid-version
 
 if PLUGINS
@@ -11,6 +12,7 @@ plugin_LTLIBRARIES = \
 	gntgf.la \
 	gnthistory.la \
 	gntlastlog.la \
+	gnttinyurl.la \
 	grouping.la
 
 plugindir = $(libdir)/finch
@@ -19,6 +21,7 @@ gntlastlog_la_SOURCES = lastlog.c
 gntgf_la_SOURCES      = gntgf.c
 gnthistory_la_SOURCES = gnthistory.c
 gntlastlog_la_SOURCES = lastlog.c
+gnttinyurl_la_SOURCES = gnttinyurl.c
 grouping_la_SOURCES   = grouping.c
 
 gntclipboard_la_CFLAGS = $(X11_CFLAGS)
@@ -28,6 +31,7 @@ gntlastlog_la_LIBADD  = $(GLIB_LIBS)
 gntgf_la_LIBADD       = $(GLIB_LIBS) $(X11_LIBS) $(top_builddir)/finch/libgnt/libgnt.la
 gnthistory_la_LIBADD  = $(GLIB_LIBS)
 gntlastlog_la_LIBADD  = $(GLIB_LIBS)
+gnttinyurl_la_LIBADD  = $(GLIB_LIBS)
 grouping_la_LIBADD    = $(GLIB_LIBS) $(top_builddir)/finch/libgnt/libgnt.la
 
 endif # PLUGINS
============================================================
--- po/POTFILES.in	bc9ea9fd0f6128f42191bf458ae0b800da12b57e
+++ po/POTFILES.in	fe23c5479f3511692440d84e11fb634d8b05160e
@@ -37,6 +37,7 @@ finch/plugins/lastlog.c
 finch/plugins/gnthistory.c
 finch/plugins/grouping.c
 finch/plugins/lastlog.c
+finch/plugins/gnttinyurl.c
 libpurple/account.c
 libpurple/blist.c
 libpurple/certificate.c


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