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author | nobody <nobody@localhost> | 2000-04-24 03:19:31 +0800 |
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committer | nobody <nobody@localhost> | 2000-04-24 03:19:31 +0800 |
commit | 1d2905c71fce6565f5cda0a34c63fa67634dc01a (patch) | |
tree | 99a4d80d9f1acb9f56cf26e221bf13a312e97890 /camel/camel-url.c | |
parent | 49c2cb5af1a58b24fc08d2ce351307a4cfad96f5 (diff) | |
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This commit was manufactured by cvs2svn to create tagGNOME_UTILS_1_1_0
'GNOME_UTILS_1_1_0'.
svn path=/tags/GNOME_UTILS_1_1_0/; revision=2567
Diffstat (limited to 'camel/camel-url.c')
-rw-r--r-- | camel/camel-url.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/camel/camel-url.c b/camel/camel-url.c deleted file mode 100644 index bb4c6f0810..0000000000 --- a/camel/camel-url.c +++ /dev/null @@ -1,281 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-url.c : utility functions to parse URLs */ - - -/* - * Authors: - * Bertrand Guiheneuf <bertrand@helixcode.com> - * Dan Winship <danw@helixcode.com> - * Tiago Antào <tiagoantao@bigfoot.com> - * - * Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "camel-url.h" -#include "camel-exception.h" - -static char *url_encode (char *part, gboolean escape_unsafe, - char *escape_extra); -static void url_decode (char *part); - -/** - * camel_url_new: create a CamelURL object from a string - * @url_string: The string containing the URL to scan - * - * This routine takes a string and parses it as a URL of the form: - * - * protocol://user;AUTH=mech:password@host:port/path - * - * The protocol, followed by a ":" is required. If it is followed by - * "//", there must be an "authority" containing at least a host, - * which ends at the end of the string or at the next "/". If there - * is an "@" in the authority, there must be a username before it, - * and the host comes after it. The authmech, password, and port are - * optional, and the punctuation that preceeds them is omitted if - * they are. Everything after the authority (or everything after the - * protocol if there was no authority) is the path. We consider the - * "/" between the authority and the path to be part of the path, - * although this is incorrect according to RFC 1738. - * - * The port, if present, must be numeric. - * - * Return value: a CamelURL structure containing the URL items. - **/ -CamelURL * -camel_url_new (const char *url_string, CamelException *ex) -{ - CamelURL *url; - char *semi, *colon, *at, *slash; - char *p; - - /* Find protocol: initial substring until ":" */ - colon = strchr (url_string, ':'); - if (!colon) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_URL_INVALID, - "URL string `%s' contains no protocol", - url_string); - return NULL; - } - - url = g_new0 (CamelURL, 1); - url->protocol = g_strndup (url_string, colon - url_string); - g_strdown (url->protocol); - - /* Check protocol */ - p = url->protocol; - while (*p) { - if (!((*p >= 'a' && *p <= 'z') || - (*p == '-') || (*p == '+') || (*p == '.'))) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_URL_INVALID, - "URL string `%s' contains an invalid protocol", - url_string); - return NULL; - } - p++; - } - - if (strncmp (colon, "://", 3) != 0) { - if (*(colon + 1)) { - url->path = g_strdup (colon + 1); - url_decode (url->path); - } - return url; - } - - url_string = colon + 3; - - /* If there is an @ sign in the authority, look for user, - * authmech, and password before it. - */ - slash = strchr (url_string, '/'); - at = strchr (url_string, '@'); - if (at && (!slash || at < slash)) { - colon = strchr (url_string, ':'); - if (colon && colon < at) { - url->passwd = g_strndup (colon + 1, at - colon - 1); - url_decode (url->passwd); - } else { - url->passwd = NULL; - colon = at; - } - - semi = strchr(url_string, ';'); - if (semi && (semi < colon || (!colon && semi < at)) && - !strncasecmp (semi, ";auth=", 6)) { - url->authmech = g_strndup (semi + 6, - colon - semi - 6); - url_decode (url->authmech); - } else { - url->authmech = NULL; - semi = colon; - } - - url->user = g_strndup (url_string, semi - url_string); - url_decode (url->user); - url_string = at + 1; - } else - url->user = url->passwd = url->authmech = NULL; - - /* Find host and port. */ - slash = strchr (url_string, '/'); - colon = strchr (url_string, ':'); - if (slash && colon > slash) - colon = NULL; - - if (colon) { - url->host = g_strndup (url_string, colon - url_string); - url->port = strtoul (colon + 1, &colon, 10); - if (*colon && colon != slash) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_URL_INVALID, - "Port number in URL `%s' is non-" - "numeric", url_string); - camel_url_free (url); - return NULL; - } - } else if (slash) { - url->host = g_strndup (url_string, slash - url_string); - url_decode (url->host); - url->port = 0; - } else { - url->host = g_strdup (url_string); - url_decode (url->host); - url->port = 0; - } - - if (!slash) - slash = "/"; - url->path = g_strdup (slash); - url_decode (url->path); - - return url; -} - -char * -camel_url_to_string (CamelURL *url, gboolean show_passwd) -{ - char *return_result; - char *user = NULL, *authmech = NULL, *passwd = NULL; - char *host = NULL, *path = NULL; - char port[20]; - - if (url->user) - user = url_encode (url->user, TRUE, ":;@/"); - if (url->authmech) - authmech = url_encode (url->authmech, TRUE, ":@/"); - if (show_passwd && url->passwd) - passwd = url_encode (url->passwd, TRUE, "@/"); - if (url->host) - host = url_encode (url->host, TRUE, ":/"); - if (url->port) - g_snprintf (port, sizeof (port), "%d", url->port); - else - *port = '\0'; - if (url->path) - path = url_encode (url->path, FALSE, NULL); - - return_result = g_strdup_printf ("%s:%s%s%s%s%s%s%s%s%s%s%s", - url->protocol, - host ? "//" : "", - user ? user : "", - authmech ? ";auth=" : "", - authmech ? authmech : "", - passwd ? ":" : "", - passwd ? passwd : "", - user ? "@" : "", - host ? host : "", - *port ? ":" : "", - port, - path ? path : ""); - g_free (user); - g_free (authmech); - g_free (passwd); - g_free (host); - g_free (path); - - return return_result; -} - -void -camel_url_free (CamelURL *url) -{ - g_assert (url); - - g_free (url->protocol); - g_free (url->user); - g_free (url->authmech); - g_free (url->passwd); - g_free (url->host); - g_free (url->path); - - g_free (url); -} - - -static char * -url_encode (char *part, gboolean escape_unsafe, char *escape_extra) -{ - char *work, *p; - - /* worst case scenario = 3 times the initial */ - p = work = g_malloc (3 * strlen (part) + 1); - - while (*part) { - if (((guchar) *part >= 127) || ((guchar) *part <= ' ') || - (escape_unsafe && strchr ("\"%#<>{}|\\^~[]`", *part)) || - (escape_extra && strchr (escape_extra, *part))) { - sprintf (p, "%%%.02hX", (guchar) *part++); - p += 3; - } else - *p++ = *part++; - } - *p = '\0'; - - return work; -} - -#define HEXVAL(c) (isdigit (c) ? (c) - '0' : tolower (c) - 'a' + 10) - -/* We decode URLs in place because: (a) the data passed in is always - * private to CamelURL, (b) we never want to keep the encoded version, - * (c) the decoded version is never longer than the encoded version, - * so it's safe to rewrite in place. - */ -static void -url_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'; -} |