526 lines
16 KiB
C
526 lines
16 KiB
C
/*
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Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
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Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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*/
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#define MAXCHARS 60
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#define MINCHARS 2
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#include <midori/midori.h>
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#include "config.h"
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#include "midori/sokoke.h"
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#include <glib/gstdio.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sqlite3.h>
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static GHashTable* global_keys;
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static gchar* jsforms;
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static gboolean
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formhistory_prepare_js ()
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{
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gchar* data_name;
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gchar* data_path;
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gchar* autosuggest;
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gchar* style;
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guint i;
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gchar* file;
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data_name = g_build_filename (PACKAGE_NAME, "res", NULL);
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data_path = sokoke_find_data_filename (data_name);
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g_free (data_name);
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file = g_build_filename (data_path, G_DIR_SEPARATOR_S, "autosuggestcontrol.js",NULL);
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if (!g_file_get_contents (file, &autosuggest, NULL, NULL))
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return FALSE;
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g_strchomp (autosuggest);
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file = g_build_filename (data_path, G_DIR_SEPARATOR_S, "autosuggestcontrol.css",NULL);
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if(!g_file_get_contents (file, &style, NULL, NULL))
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return FALSE;
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g_strchomp (style);
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i = 0;
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while (style[i])
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{
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if (style[i] == '\n')
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style[i] = ' ';
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i++;
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}
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jsforms = g_strdup_printf (
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"%s"
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"window.addEventListener ('DOMContentLoaded',"
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"function () {"
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" if (document.getElementById('formhistory'))"
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" return;"
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" if (!initSuggestions ())"
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" return;"
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" var mystyle = document.createElement('style');"
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" mystyle.setAttribute('type', 'text/css');"
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" mystyle.setAttribute('id', 'formhistory');"
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" mystyle.appendChild(document.createTextNode('%s'));"
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" var head = document.getElementsByTagName('head')[0];"
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" if (head) head.appendChild(mystyle);"
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"}, true);",
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autosuggest,
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style);
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g_strstrip (jsforms);
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g_free (data_path);
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g_free (file);
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g_free (style);
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g_free (autosuggest);
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return TRUE;
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}
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static gchar*
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formhistory_fixup_value (char* value)
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{
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guint i = 0;
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g_strchomp (value);
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while (value[i])
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{
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if (value[i] == '\n')
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value[i] = ' ';
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else if (value[i] == '"')
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value[i] = '\'';
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i++;
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}
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return value;
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}
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static gchar*
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formhistory_build_js ()
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{
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gchar* suggestions = g_strdup ("");
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GHashTableIter iter;
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gpointer key, value;
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gchar* script;
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g_hash_table_iter_init (&iter, global_keys);
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while (g_hash_table_iter_next (&iter, &key, &value))
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{
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gchar* _suggestions = g_strdup_printf ("%s arr[\"%s\"] = [%s]; ",
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suggestions, (char*)key, (char*)value);
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katze_assign (suggestions, _suggestions);
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}
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script = g_strdup_printf ("function FormSuggestions(eid) { "
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"arr = new Array();"
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"%s"
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"this.suggestions = arr[eid]; }"
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"%s",
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suggestions,
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jsforms);
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g_free (suggestions);
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return script;
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}
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static void
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formhistory_update_database (gpointer db,
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const gchar* key,
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const gchar* value)
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{
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gchar* sqlcmd;
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gchar* errmsg;
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gint success;
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sqlcmd = sqlite3_mprintf ("INSERT INTO forms VALUES"
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"('%q', '%q', '%q')",
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NULL, key, value);
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success = sqlite3_exec (db, sqlcmd, NULL, NULL, &errmsg);
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sqlite3_free (sqlcmd);
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if (success != SQLITE_OK)
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{
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g_printerr (_("Failed to add form value: %s\n"), errmsg);
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g_free (errmsg);
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return;
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}
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}
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static gboolean
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formhistory_update_main_hash (gchar* key,
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gchar* value)
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{
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guint length;
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gchar* tmp;
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if (!(value && *value))
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return FALSE;
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length = strlen (value);
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if (length > MAXCHARS || length < MINCHARS)
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return FALSE;
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formhistory_fixup_value (key);
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formhistory_fixup_value (value);
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if ((tmp = g_hash_table_lookup (global_keys, (gpointer)key)))
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{
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gchar* rvalue = g_strdup_printf ("\"%s\"",value);
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gchar* patt = g_regex_escape_string (rvalue, -1);
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if (!g_regex_match_simple (patt, tmp,
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G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
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{
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gchar* new_value = g_strdup_printf ("%s%s,", tmp, rvalue);
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g_hash_table_insert (global_keys, g_strdup (key), new_value);
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g_free (rvalue);
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g_free (patt);
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}
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else
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{
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g_free (rvalue);
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g_free (patt);
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return FALSE;
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}
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}
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else
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{
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gchar* new_value = g_strdup_printf ("\"%s\",",value);
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g_hash_table_replace (global_keys, g_strdup (key), new_value);
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}
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return TRUE;
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}
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#if WEBKIT_CHECK_VERSION (1, 1, 4)
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static gboolean
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formhistory_navigation_decision_cb (WebKitWebView* web_view,
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WebKitWebFrame* web_frame,
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WebKitNetworkRequest* request,
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WebKitWebNavigationAction* action,
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WebKitWebPolicyDecision* decision,
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MidoriExtension* extension)
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{
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/* The script returns form data in the form "field_name|,|value|,|field_type".
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We are handling only input fields with 'text' or 'password' type.
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The field separator is "|||" */
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const gchar* script = "function dumpForm (inputs) {"
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" var out = '';"
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" for (i=0;i<inputs.length;i++) {"
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" if (inputs[i].getAttribute('autocomplete') == 'off')"
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" continue;"
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" if (inputs[i].value && (inputs[i].type == 'text' || inputs[i].type == 'password')) {"
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" var ename = inputs[i].getAttribute('name');"
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" var eid = inputs[i].getAttribute('id');"
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" if (!ename && eid)"
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" ename=eid;"
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" if (inputs[i].getAttribute('autocomplete') != 'off')"
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" out += ename+'|,|'+inputs[i].value +'|,|'+inputs[i].type +'|||';"
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" }"
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" }"
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" return out;"
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"}"
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"dumpForm (document.getElementsByTagName('input'))";
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if (webkit_web_navigation_action_get_reason (action) == WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED)
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{
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JSContextRef js_context = webkit_web_frame_get_global_context (web_frame);
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gchar* value = sokoke_js_script_eval (js_context, script, NULL);
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if (value && *value)
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{
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gpointer db = g_object_get_data (G_OBJECT (extension), "formhistory-db");
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gchar** inputs = g_strsplit (value, "|||", 0);
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guint i = 0;
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while (inputs[i] != NULL)
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{
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gchar** parts = g_strsplit (inputs[i], "|,|", 3);
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if (parts && parts[0] && parts[1] && parts[2])
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{
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/* FIXME: We need to handle passwords */
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if (strcmp (parts[2], "password"))
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{
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if (formhistory_update_main_hash (parts[0], parts[1]))
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formhistory_update_database (db, parts[0], parts[1]);
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}
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}
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g_strfreev (parts);
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i++;
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}
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g_strfreev (inputs);
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g_free (value);
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}
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}
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return FALSE;
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}
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#else
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static void
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formhistory_feed_keys (GHashTable* keys,
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gpointer db)
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{
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GHashTableIter iter;
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gchar* key;
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gchar* value;
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g_hash_table_iter_init (&iter, keys);
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while (g_hash_table_iter_next (&iter, (gpointer)&key, (gpointer)&value))
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{
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if (formhistory_update_main_hash (key, value))
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formhistory_update_database (db, key, value);
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}
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}
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static void
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formhistory_session_request_queued_cb (SoupSession* session,
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SoupMessage* msg,
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MidoriExtension* extension)
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{
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gchar* method = katze_object_get_string (msg, "method");
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if (method && !strncmp (method, "POST", 4))
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{
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SoupMessageBody* body = msg->request_body;
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if (soup_message_body_get_accumulate (body))
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{
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SoupBuffer* buffer;
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GHashTable* keys;
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gpointer db;
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buffer = soup_message_body_flatten (body);
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keys = soup_form_decode (body->data);
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db = g_object_get_data (G_OBJECT (extension), "formhistory-db");
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formhistory_feed_keys (keys, db);
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soup_buffer_free (buffer);
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g_hash_table_destroy (keys);
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}
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}
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g_free (method);
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}
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#endif
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static void
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formhistory_window_object_cleared_cb (WebKitWebView* web_view,
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WebKitWebFrame* web_frame,
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JSContextRef js_context,
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JSObjectRef js_window)
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{
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gchar* script;
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script = formhistory_build_js ();
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sokoke_js_script_eval (js_context, script, NULL);
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g_free (script);
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}
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static void
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formhistory_add_tab_cb (MidoriBrowser* browser,
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MidoriView* view,
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MidoriExtension* extension)
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{
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GtkWidget* web_view = midori_view_get_web_view (view);
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g_signal_connect (web_view, "window-object-cleared",
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G_CALLBACK (formhistory_window_object_cleared_cb), NULL);
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#if WEBKIT_CHECK_VERSION (1, 1, 4)
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g_signal_connect (web_view, "navigation-policy-decision-requested",
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G_CALLBACK (formhistory_navigation_decision_cb), extension);
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#else
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g_signal_connect (webkit_get_default_session (), "request-queued",
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G_CALLBACK (formhistory_session_request_queued_cb), extension);
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#endif
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}
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static void
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formhistory_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser);
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static void
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formhistory_add_tab_foreach_cb (MidoriView* view,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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formhistory_add_tab_cb (browser, view, extension);
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}
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static void
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formhistory_app_add_browser_cb (MidoriApp* app,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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midori_browser_foreach (browser,
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(GtkCallback)formhistory_add_tab_foreach_cb, extension);
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g_signal_connect (browser, "add-tab",
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G_CALLBACK (formhistory_add_tab_cb), extension);
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g_signal_connect (extension, "deactivate",
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G_CALLBACK (formhistory_deactivate_cb), browser);
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}
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static void
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formhistory_deactivate_tabs (MidoriView* view,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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GtkWidget* web_view = midori_view_get_web_view (view);
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g_signal_handlers_disconnect_by_func (
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web_view, formhistory_window_object_cleared_cb, NULL);
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#if WEBKIT_CHECK_VERSION (1, 1, 4)
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g_signal_handlers_disconnect_by_func (
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web_view, formhistory_navigation_decision_cb, extension);
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#else
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g_signal_handlers_disconnect_by_func (
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webkit_get_default_session (), formhistory_session_request_queued_cb, extension);
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#endif
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}
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static void
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formhistory_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser)
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{
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MidoriApp* app = midori_extension_get_app (extension);
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sqlite3* db;
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g_signal_handlers_disconnect_by_func (
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browser, formhistory_add_tab_cb, extension);
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g_signal_handlers_disconnect_by_func (
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extension, formhistory_deactivate_cb, browser);
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g_signal_handlers_disconnect_by_func (
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app, formhistory_app_add_browser_cb, extension);
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midori_browser_foreach (browser,
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(GtkCallback)formhistory_deactivate_tabs, extension);
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katze_assign (jsforms, NULL);
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if (global_keys)
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g_hash_table_destroy (global_keys);
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if ((db = g_object_get_data (G_OBJECT (extension), "formhistory-db")))
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sqlite3_close (db);
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}
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static int
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formhistory_add_field (gpointer data,
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int argc,
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char** argv,
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char** colname)
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{
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gint i;
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gint ncols = 3;
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/* Test whether have the right number of columns */
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g_return_val_if_fail (argc % ncols == 0, 1);
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for (i = 0; i < (argc - ncols) + 1; i++)
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{
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if (argv[i])
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{
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if (colname[i] && !g_ascii_strcasecmp (colname[i], "domain")
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&& colname[i + 1] && !g_ascii_strcasecmp (colname[i + 1], "field")
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&& colname[i + 2] && !g_ascii_strcasecmp (colname[i + 2], "value"))
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{
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gchar* key = argv[i + 1];
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formhistory_update_main_hash (g_strdup (key), g_strdup (argv[i + 2]));
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}
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}
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}
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return 0;
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}
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static void
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formhistory_activate_cb (MidoriExtension* extension,
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MidoriApp* app)
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{
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const gchar* config_dir;
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gchar* filename;
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sqlite3* db;
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char* errmsg = NULL, *errmsg2 = NULL;
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KatzeArray* browsers;
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MidoriBrowser* browser;
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guint i;
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global_keys = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)g_free);
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if(!jsforms)
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formhistory_prepare_js ();
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config_dir = midori_extension_get_config_dir (extension);
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katze_mkdir_with_parents (config_dir, 0700);
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filename = g_build_filename (config_dir, "forms.db", NULL);
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if (sqlite3_open (filename, &db))
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{
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g_warning (_("Failed to open database: %s\n"), sqlite3_errmsg (db));
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sqlite3_close (db);
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}
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g_free (filename);
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if ((sqlite3_exec (db, "CREATE TABLE IF NOT EXISTS "
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"forms (domain text, field text, value text)",
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NULL, NULL, &errmsg) == SQLITE_OK)
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&& (sqlite3_exec (db, "SELECT domain, field, value FROM forms ",
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formhistory_add_field,
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NULL, &errmsg2) == SQLITE_OK))
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g_object_set_data (G_OBJECT (extension), "formhistory-db", db);
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else
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{
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if (errmsg)
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{
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g_critical (_("Failed to execute database statement: %s\n"), errmsg);
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sqlite3_free (errmsg);
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if (errmsg2)
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{
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g_critical (_("Failed to execute database statement: %s\n"), errmsg2);
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sqlite3_free (errmsg2);
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}
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}
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sqlite3_close (db);
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}
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browsers = katze_object_get_object (app, "browsers");
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i = 0;
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while ((browser = katze_array_get_nth_item (browsers, i++)))
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formhistory_app_add_browser_cb (app, browser, extension);
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g_signal_connect (app, "add-browser",
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G_CALLBACK (formhistory_app_add_browser_cb), extension);
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g_object_unref (browsers);
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}
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#if G_ENABLE_DEBUG
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/*
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<html>
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<head>
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<title>autosuggest testcase</title>
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</head>
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<body>
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<form method=post>
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<p><input type="text" id="txt1" /></p>
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<p><input type="text" name="txt2" /></p>
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<input type=submit>
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</form>
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</body>
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</html> */
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#endif
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MidoriExtension*
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extension_init (void)
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{
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gboolean should_init = TRUE;
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const gchar* ver;
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gchar* desc;
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MidoriExtension* extension;
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if (formhistory_prepare_js ())
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{
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ver = "1.0";
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desc = g_strdup (_("Stores history of entered form data"));
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}
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else
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{
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desc = g_strdup_printf (_("Not available: %s"),
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_("Resource files not installed"));
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ver = NULL;
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should_init = FALSE;
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}
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extension = g_object_new (MIDORI_TYPE_EXTENSION,
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"name", _("Form history filler"),
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"description", desc,
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"version", ver,
|
|
"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
|
|
NULL);
|
|
g_free (desc);
|
|
|
|
if (should_init)
|
|
g_signal_connect (extension, "activate",
|
|
G_CALLBACK (formhistory_activate_cb), NULL);
|
|
|
|
return extension;
|
|
}
|