xeme/xeme

Add some basic jid parsing

6 months ago, Gary Kramlich
713f2c59c863
Parents 531c2c131179
Children 62de723fb97c
Add some basic jid parsing

We still need to figure out stringprep/precis, but this will work for the
moment as we decide what to do there.
5 files changed, 236 insertions(+), 0 deletions(-)
  • +2 -0
    xeme/meson.build
  • +1 -0
    xeme/tests/meson.build
  • +94 -0
    xeme/tests/testaddress.c
  • +91 -0
    xeme/xemeaddress.c
  • +48 -0
    xeme/xemeaddress.h
    • --- a/xeme/meson.build Thu Dec 07 21:33:41 2023 -0600
    +++ b/xeme/meson.build Thu Dec 07 21:35:02 2023 -0600
    @@ -1,4 +1,5 @@
    XEME_SOURCES = [
    + 'xemeaddress.c',
    'xemeinputstream.c',
    'xememessage.c',
    'xemeoutputstream.c',
    @@ -8,6 +9,7 @@
    ]
    XEME_HEADERS = [
    + 'xemeaddress.h',
    'xemecore.h',
    'xemeinputstream.h',
    'xememessage.h',
    --- a/xeme/tests/meson.build Thu Dec 07 21:33:41 2023 -0600
    +++ b/xeme/tests/meson.build Thu Dec 07 21:35:02 2023 -0600
    @@ -1,4 +1,5 @@
    PROGRAMS = [
    + 'address',
    'inputstream',
    'message',
    'outputstream',
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/xeme/tests/testaddress.c Thu Dec 07 21:35:02 2023 -0600
    @@ -0,0 +1,94 @@
    +/*
    + * Copyright (C) 2023 Xeme Developers
    + *
    + * This library is free software; you can redistribute it and/or
    + * modify it under the terms of the GNU Lesser General Public
    + * License as published by the Free Software Foundation; either
    + * version 2.1 of the License, or (at your option) any later version.
    + *
    + * This library 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
    + * Lesser General Public License for more details.
    + *
    + * You should have received a copy of the GNU Lesser General Public
    + * License along with this library; if not, see <https://www.gnu.org/licenses/>.
    + */
    +
    +#include <glib.h>
    +
    +#include <xeme.h>
    +
    +/******************************************************************************
    + * Tests
    + *****************************************************************************/
    +static void
    +test_xeme_address_valid(void) {
    + const char *data[] = {
    + "gmail.com",
    + "gmail.com/Test",
    + "gmail.com/Test@",
    + "gmail.com/@",
    + "gmail.com/Test@alkjaweflkj",
    + "noone@example.com",
    + "noone@example.com/Test12345",
    + "noone@example.com/Test@12345",
    + "noone@example.com/Te/st@12@//345",
    + "わいど@conference.jabber.org",
    + "まりるーむ@conference.jabber.org",
    + "noone@example.com/まりるーむ",
    + "noone@example/stuff.org",
    + "noone@nödåtXäYZ.example",
    + "noone@nödåtXäYZ.example/まりるーむ",
    + "noone@わいど.org",
    + "noone@まつ.おおかみ.net",
    + "noone@310.0.42.230/s",
    + "noone@[::1]", /* IPv6 */
    + "noone@[3001:470:1f05:d58::2]",
    + "noone@[3001:470:1f05:d58::2]/foo",
    + "no=one@310.0.42.230",
    + "no,one@310.0.42.230",
    + NULL,
    + };
    +
    + for(int i = 0; data[i] != NULL; i++) {
    + g_assert_true(xeme_address_parse(data[i], NULL, NULL, NULL));
    + }
    +}
    +
    +static void
    +test_xeme_address_invalid(void) {
    + const gchar *data[] = {
    + "@gmail.com",
    + "@@gmail.com",
    + "noone@@example.com/Test12345",
    + "no@one@example.com/Test12345",
    + "@example.com/Test@12345",
    + "/Test@12345",
    + "noone@",
    + "noone/",
    + "noone@gmail_stuff.org",
    + "noone@gmail[stuff.org",
    + "noone@gmail\\stuff.org",
    + "noone@[::1]124",
    + "noone@2[::1]124/as",
    + NULL,
    + };
    +
    + for(int i = 0; data[i] != NULL; i++) {
    + g_assert_false(xeme_address_parse(data[i], NULL, NULL, NULL));
    + }
    +}
    +
    +/******************************************************************************
    + * Main
    + *****************************************************************************/
    +int
    +main(int argc, char *argv[]) {
    + g_test_init(&argc, &argv, NULL);
    +
    + g_test_add_func("/xeme/address/valid", test_xeme_address_valid);
    + g_test_add_func("/xeme/address/invalid", test_xeme_address_invalid);
    +
    + return g_test_run();
    +}
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/xeme/xemeaddress.c Thu Dec 07 21:35:02 2023 -0600
    @@ -0,0 +1,91 @@
    +/*
    + * Copyright (C) 2023 Xeme Developers
    + *
    + * This library is free software; you can redistribute it and/or
    + * modify it under the terms of the GNU Lesser General Public
    + * License as published by the Free Software Foundation; either
    + * version 2.1 of the License, or (at your option) any later version.
    + *
    + * This library 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
    + * Lesser General Public License for more details.
    + *
    + * You should have received a copy of the GNU Lesser General Public
    + * License along with this library; if not, see <https://www.gnu.org/licenses/>.
    + */
    +
    +#include "xemeaddress.h"
    +
    +#include "xemestring.h"
    +
    +#define XEME_ADDRESS_REGEX \
    + "^(?:(?P<local>[^\\\"&'/:<>@]+)@)?" \
    + "(?P<domain>(?:[^@/[\\\\_$]+|(\\[[0-9a-fA-F:]+\\])))" \
    + "(?:/(?P<resource>.+))?$"
    +
    +/******************************************************************************
    + * Public API
    + *****************************************************************************/
    +gboolean
    +xeme_address_parse(const char *address, char **local, char **domain,
    + char **resource)
    +{
    + static GRegex *regexp = NULL;
    + GMatchInfo *info = NULL;
    + gchar *tmp = NULL;
    +
    + g_return_val_if_fail(!xeme_str_is_empty(address), FALSE);
    +
    + if(regexp == NULL) {
    + GError *error = NULL;
    +
    + regexp = g_regex_new(XEME_ADDRESS_REGEX, G_REGEX_DEFAULT,
    + G_REGEX_MATCH_DEFAULT, &error);
    +
    + if(error != NULL) {
    + g_critical("failed to compiled the regular expression for "
    + "addresses %s",
    + error->message != NULL ? error->message : "unknown");
    +
    + g_clear_error(&error);
    + }
    + }
    +
    + if(!g_regex_match(regexp, address, G_REGEX_MATCH_DEFAULT, &info)) {
    + g_clear_pointer(&info, g_match_info_free);
    +
    + return FALSE;
    + }
    +
    + if(local != NULL) {
    + tmp = g_match_info_fetch_named(info, "local");
    + if(xeme_str_is_empty(tmp)) {
    + g_clear_pointer(&tmp, g_free);
    + }
    +
    + *local = tmp;
    + }
    +
    + if(domain != NULL) {
    + tmp = g_match_info_fetch_named(info, "domain");
    + if(xeme_str_is_empty(tmp)) {
    + g_clear_pointer(&tmp, g_free);
    + }
    +
    + *domain = tmp;
    + }
    +
    + if(resource != NULL) {
    + tmp = g_match_info_fetch_named(info, "resource");
    + if(xeme_str_is_empty(tmp)) {
    + g_clear_pointer(&tmp, g_free);
    + }
    +
    + *resource = tmp;
    + }
    +
    + g_clear_pointer(&info, g_match_info_free);
    +
    + return TRUE;
    +}
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/xeme/xemeaddress.h Thu Dec 07 21:35:02 2023 -0600
    @@ -0,0 +1,48 @@
    +/*
    + * Copyright (C) 2023 Xeme Developers
    + *
    + * This library is free software; you can redistribute it and/or
    + * modify it under the terms of the GNU Lesser General Public
    + * License as published by the Free Software Foundation; either
    + * version 2.1 of the License, or (at your option) any later version.
    + *
    + * This library 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
    + * Lesser General Public License for more details.
    + *
    + * You should have received a copy of the GNU Lesser General Public
    + * License along with this library; if not, see <https://www.gnu.org/licenses/>.
    + */
    +
    +#ifndef XEME_ADDRESS_H
    +#define XEME_ADDRESS_H
    +
    +#include <glib.h>
    +#include <glib-object.h>
    +
    +#include <xeme/xemeversion.h>
    +
    +G_BEGIN_DECLS
    +
    +/**
    + * xeme_address_parse:
    + * @address: The address to parse.
    + * @local: (nullable): An optional return address for the localpart.
    + * @domain: (nullable): An optional return address for the domainpart.
    + * @resource: (nullable): An optional return address for the resourcepart.
    + *
    + * Splits @address according to the rules of
    + * [RFC 6122](https://www.rfc-editor.org/rfc/rfc6122#section-2) and returns the
    + * results into the optional @local, @domain, and @resource.
    + *
    + * Returns: %TRUE if @address was valid, otherwise %FALSE.
    + *
    + * Since: 0.1.0
    + */
    +XEME_AVAILABLE_IN_0_1
    +gboolean xeme_address_parse(const char *address, char **local, char **domain, char **resource);
    +
    +G_END_DECLS
    +
    +#endif /* XEME_ADDRESS_H */