/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-url.c
*
* Copyright (C) 2001 Ximian, Inc.
*
* Developed by Jon Trowbridge <trow@ximian.com>
* Rodrigo Moya <rodrigo@ximian.com>
*/
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
#include <config.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "e-url.h"
char *
e_url_shroud (const char *url)
{
const char *first_colon = NULL;
const char *last_at = NULL;
const char *p;
char *shrouded;
if (url == NULL)
return NULL;
/* Skip past the moniker */
for (p = url; *p && *p != ':'; ++p);
if (*p)
++p;
while (*p) {
if (first_colon == NULL && *p == ':')
first_colon = p;
if (*p == '@')
last_at = p;
++p;
}
if (first_colon && last_at && first_colon < last_at) {
shrouded = g_strdup_printf ("%.*s%s", first_colon - url, url, last_at);
} else {
shrouded = g_strdup (url);
}
return shrouded;
}
gboolean
e_url_equal (const char *url1, const char *url2)
{
char *shroud1 = e_url_shroud (url1);
char *shroud2 = e_url_shroud (url2);
gint len1, len2;
gboolean rv;
if (shroud1 == NULL || shroud2 == NULL) {
rv = (shroud1 == shroud2);
} else {
len1 = strlen (shroud1);
len2 = strlen (shroud2);
rv = !strncmp (shroud1, shroud2, MIN (len1, len2));
}
g_free (shroud1);
g_free (shroud2);
return rv;
}
#define HEXVAL(c) (isdigit (c) ? (c) - '0' : tolower (c) - 'a' + 10)
static void
uri_decode (char *part)
{
guchar *s, *d;
s = d = (guchar *)part;
while (*s) {
if (*s == '%') {
if (isxdigit (s[1]) && isxdigit (s[2])) {
*d++ = HEXVAL (s[1]) * 16 + HEXVAL (s[2]);
s += 3;
} else
*d++ = *s++;
} else
*d++ = *s++;
}
*d = '\0';
}
EUri *
e_uri_new (const char *uri_string)
{
EUri *uri;
const char *end, *hash, *colon, *semi, *at, *slash, *question;
const char *p;
uri = g_new0 (EUri, 1);
/* find fragment */
end = hash = strchr (uri_string, '#');
if (hash && hash[1]) {
uri->fragment = g_strdup (hash + 1);
uri_decode (uri->fragment);
}
else
end = uri_string + strlen (uri_string);
/* find protocol: initial [a-z+.-]* substring until ":" */
p = uri_string;
while (p < end && (isalnum ((unsigned char) *p) ||
*p == '.' || *p == '+' || *p == '-'))
p++;
if (p > uri_string && *p == ':') {
uri->protocol = g_strndup (uri_string, p - uri_string);
g_strdown (uri->protocol);
uri_string = p + 1;
}
else
uri->protocol = g_strdup ("file");
if (!*uri_string)
return uri;
/* check for authority */
if (strncmp (uri_string, "//", 2) == 0) {
uri_string += 2;
slash = uri_string + strcspn (uri_string, "/#");
at = strchr (uri_string, '@');
if (at && at < slash) {
colon = strchr (uri_string, ':');
if (colon && colon < at) {
uri->passwd = g_strndup (colon + 1, at - colon - 1);
uri_decode (uri->passwd);
}
else {
uri->passwd = NULL;
colon = at;
}
semi = strchr (uri_string, ';');
if (semi && semi < colon &&
!strncasecmp (semi, ";auth=", 6)) {
uri->authmech = g_strndup (semi + 6, colon - semi - 6);
uri_decode (uri->authmech);
}
else {
uri->authmech = NULL;
semi = colon;
}
uri->user = g_strndup (uri_string, semi - uri_string);
uri_decode (uri->user);
uri_string = at + 1;
}
else
uri->user = uri->passwd = uri->authmech = NULL;
/* find host and port */
colon = strchr (uri_string, ':');
if (colon && colon < slash) {
uri->host = g_strndup (uri_string, colon - uri_string);
uri->port = strtoul (colon + 1, NULL, 10);
}
else {
uri->host = g_strndup (uri_string, slash - uri_string);
uri_decode (uri->host);
uri->port = 0;
}
uri_string = slash;
}
/* find query */
question = memchr (uri_string, '?', end - uri_string);
if (question) {
if (question[1]) {
uri->query = g_strndup (question + 1, end - (question + 1));
uri_decode (uri->query);
}
end = question;
}
/* find parameters */
semi = memchr (uri_string, ';', end - uri_string);
if (semi) {
if (semi[1]) {
const char *cur, *p, *eq;
char *name, *value;
for (cur = semi + 1; cur < end; cur = p + 1) {
p = memchr (cur, ';', end - cur);
if (!p)
p = end;
eq = memchr (cur, '=', p - cur);
if (eq) {
name = g_strndup (cur, eq - cur);
value = g_strndup (eq + 1, p - (eq + 1));
uri_decode (value);
} else {
name = g_strndup (cur, p - cur);
value = g_strdup ("");
}
uri_decode (name);
g_datalist_set_data_full (&uri->params, name,
value, g_free);
g_free (name);
}
}
end = semi;
}
if (end != uri_string) {
uri->path = g_strndup (uri_string, end - uri_string);
uri_decode (uri->path);
}
return uri;
}
void
e_uri_free (EUri *uri)
{
if (uri) {
g_free (uri->protocol);
g_free (uri->user);
g_free (uri->authmech);
g_free (uri->passwd);
g_free (uri->host);
g_free (uri->path);
g_datalist_clear (&uri->params);
g_free (uri->query);
g_free (uri->fragment);
g_free (uri);
}
}
const char *
e_uri_get_param (EUri *uri, const char *name)
{
return g_datalist_get_data (&uri->params, name);
}
static void
copy_param_cb (GQuark key_id, gpointer data, gpointer user_data)
{
GData *params = (GData *) user_data;
g_datalist_id_set_data_full (¶ms, key_id, g_strdup (data), g_free);
}
EUri *
e_uri_copy (EUri *uri)
{
EUri *uri_copy;
g_return_val_if_fail (uri != NULL, NULL);
uri_copy = g_new0 (EUri, 1);
uri_copy->protocol = g_strdup (uri->protocol);
uri_copy->user = g_strdup (uri->user);
uri_copy->authmech = g_strdup (uri->authmech);
uri_copy->passwd = g_strdup (uri->passwd);
uri_copy->host = g_strdup (uri->host);
uri_copy->port = uri->port;
uri_copy->path = g_strdup (uri->path);
uri_copy->query = g_strdup (uri->query);
uri_copy->fragment = g_strdup (uri->fragment);
/* copy uri->params */
g_datalist_foreach (&uri->params,
(GDataForeachFunc) copy_param_cb,
&uri_copy->params);
return uri_copy;
}
char *
e_uri_to_string (EUri *uri, gboolean show_password)
{
char *str_uri = NULL;
g_return_val_if_fail (uri != NULL, NULL);
if (uri->port != 0)
str_uri = g_strdup_printf (
"%s://%s%s%s%s%s%s%s:%d%s%s%s",
uri->protocol,
uri->user ? uri->user : "",
uri->authmech ? ";auth=" : "",
uri->authmech ? uri->authmech : "",
uri->passwd && show_password ? ":" : "",
uri->passwd && show_password ? uri->passwd : "",
uri->user ? "@" : "",
uri->host,
uri->port,
uri->path ? uri->path : "",
uri->query ? "?" : "",
uri->query ? uri->query : "");
else
str_uri = g_strdup_printf(
"%s://%s%s%s%s%s%s%s%s%s%s",
uri->protocol,
uri->user ? uri->user : "",
uri->authmech ? ";auth=" : "",
uri->authmech ? uri->authmech : "",
uri->passwd && show_password ? ":" : "",
uri->passwd && show_password ? uri->passwd : "",
uri->user ? "@" : "",
uri->host,
uri->path ? uri->path : "",
uri->query ? "?" : "",
uri->query ? uri->query : "");
return str_uri;
}
