aboutsummaryrefslogtreecommitdiffstats
path: root/mod/install.php
blob: d994ca70fd8fe15e3214d936737ea7e7c2deabf2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
<?php


function install_post(&$a) {

	global $db;

	$urlpath = $a->get_path();
	$dbhost = notags(trim($_POST['dbhost']));
	$dbuser = notags(trim($_POST['dbuser']));
	$dbpass = notags(trim($_POST['dbpass']));
	$dbdata = notags(trim($_POST['dbdata']));
	$timezone = notags(trim($_POST['timezone']));
	$phpath = notags(trim($_POST['phpath']));
	$adminmail = notags(trim($_POST['adminmail']));

	require_once("dba.php");
	unset($db);
	$db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);

	if(get_db_errno()) {
		unset($db);
		$db = new dba($dbhost, $dbuser, $dbpass, '', true);
		if(! get_db_errno()) {
			$r = q("CREATE DATABASE '%s'",
					dbesc($dbdata)
			);
			if($r) {
				unset($db);
				$db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
			}
		}
		if(get_db_errno()) {
			notice( t('Could not create/connect to database.') . EOL);
			return;
		}
	}

	info( t('Connected to database.') . EOL);

	$tpl = get_intltext_template('htconfig.tpl');
	$txt = replace_macros($tpl,array(
		'$dbhost' => $dbhost,
		'$dbuser' => $dbuser,
		'$dbpass' => $dbpass,
		'$dbdata' => $dbdata,
		'$timezone' => $timezone,
		'$urlpath' => $urlpath,
		'$phpath' => $phpath,
		'$adminmail' => $adminmail
	));

	$result = file_put_contents('.htconfig.php', $txt);
	if(! $result) {
		$a->data['txt'] = $txt;
	}

	$errors = load_database($db);

	if($errors)
		$a->data['db_failed'] = true;
	else
		$a->data['db_installed'] = true;

	return;
}

function get_db_errno() {
	if(class_exists('mysqli'))
		return mysqli_connect_errno();
	else
		return mysql_errno();
}		

function install_content(&$a) {

	global $db;
	$o = '';
	
	if(x($a->data,'db_installed')) {
		$o .= '<h2>' . t('Proceed with Installation') . '</h2>';
		$o .= '<p style="font-size: 130%;">';
		$o .= t('Your Friendica site database has been installed.') . EOL;
		$o .= t('IMPORTANT: You will need to [manually] setup a scheduled task for the poller.') . EOL ;
		$o .= t('Please see the file "INSTALL.txt".') . EOL ;
		$o .= '<br />';
		$o .= '<a href="' . $a->get_baseurl() . '/register' . '">' . t('Proceed to registration') . '</a>' ;
		$o .= '</p>';
		return $o;
	}

	if(x($a->data,'db_failed')) {
		$o .= t('Database import failed.') . EOL;
		$o .= t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
		$o .= t('Please see the file "INSTALL.txt".') . EOL ;
		return $o;
	}

	if($db && $db->connected) {
		$r = q("SELECT COUNT(*) as `total` FROM `user`");
		if($r && count($r) && $r[0]['total']) {
			notice( t('Permission denied.') . EOL);
			return '';
		}
	}

	info( t('Welcome to Friendica.') . EOL);


	check_funcs();

	$o .= check_htconfig();
	if(strlen($o))
		return $o;

	if(strlen($a->data['txt'])) {
		$o .= manual_config($a);
		return;
	}

	$o .= check_php($phpath);

	$o .= check_keys();


	require_once('datetime.php');

	$tpl = get_markup_template('install_db.tpl');
	$o .= replace_macros($tpl, array(
		'$lbl_01' => t('Friendica Social Communications Server'),
		'$lbl_02' => t('Installation'),
		'$lbl_03' => t('In order to install Friendica we need to know how to connect to your database.'),
		'$lbl_04' => t('Please contact your hosting provider or site administrator if you have questions about these settings.'),
		'$lbl_05' => t('The database you specify below should already exist. If it does not, please create it before continuing.'),
		'$lbl_06' => t('Database Server Name'),
		'$lbl_07' => t('Database Login Name'),
		'$lbl_08' => t('Database Login Password'),
		'$lbl_09' => t('Database Name'),
		'$lbl_10' => t('Please select a default timezone for your website'),
		'$lbl_11' => t('Site administrator email address. Your account email address must match this in order to use the web admin panel.'), 
		'$baseurl' => $a->get_baseurl(),
		'$tzselect' => ((x($_POST,'timezone')) ? select_timezone($_POST['timezone']) : select_timezone()),
		'$submit' => t('Submit'),
		'$dbhost' => ((x($_POST,'dbhost')) ? notags(trim($_POST['dbhost'])) : 'localhost'),
		'$dbuser' => notags(trim($_POST['dbuser'])),
		'$dbpass' => notags(trim($_POST['dbpass'])),
		'$dbdata' => notags(trim($_POST['dbdata'])),
		'$phpath' => $phpath,
		'$adminmail' => notags(trim($_POST['adminmail']))
	));

	return $o;
}

function check_php(&$phpath) {
	$o = '';
	$phpath = trim(shell_exec('which php'));
	if(! strlen($phpath)) {
		$o .= t('Could not find a command line version of PHP in the web server PATH.') . EOL;
		$o .= t('This is required. Please adjust the configuration file .htconfig.php accordingly.') . EOL;
	}
	if(strlen($phpath)) {
		$str = autoname(8);
		$cmd = "$phpath testargs.php $str";
		$result = trim(shell_exec($cmd));
		if($result != $str) {
			$o .= t('The command line version of PHP on your system does not have "register_argc_argv" enabled.') . EOL;
			$o .= t('This is required for message delivery to work.') . EOL;
		}
	}
	return $o;

}

function check_keys() {

	$o = '';

	$res = false;

	if(function_exists('openssl_pkey_new')) 
		$res=openssl_pkey_new(array(
		'digest_alg' => 'sha1',
		'private_key_bits' => 4096,
		'encrypt_key' => false ));

	// Get private key

	if(! $res) {
		$o .= t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys') . EOL;
		$o .= t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".') . EOL;
	}
	return $o;

}


function check_funcs() {
	if((function_exists('apache_get_modules')) && (! in_array('mod_rewrite',apache_get_modules())))
		notice( t('Error: Apache webserver mod-rewrite module is required but not installed.') . EOL);
	if(! function_exists('curl_init')) 
		notice( t('Error: libCURL PHP module required but not installed.') . EOL);
	if(! function_exists('imagecreatefromjpeg')) 
		notice( t('Error: GD graphics PHP module with JPEG support required but not installed.') . EOL);
	if(! function_exists('openssl_public_encrypt')) 
		notice( t('Error: openssl PHP module required but not installed.') . EOL);	
	if(! function_exists('mysqli_connect')) 
		notice( t('Error: mysqli PHP module required but not installed.') . EOL);
	if(! function_exists('mb_strlen'))
		notice( t('Error: mb_string PHP module required but not installed.') . EOL);
	
	if((x($_SESSION,'sysmsg')) && is_array($_SESSION['sysmsg']) && count($_SESSION['sysmsg']))
		notice( t('Please see the file "INSTALL.txt".') . EOL);
}


function check_htconfig() {

	if(((file_exists('.htconfig.php')) && (! is_writable('.htconfig.php')))
		|| (! is_writable('.'))) {

		$o = t('The web installer needs to be able to create a file called ".htconfig.php" in the top folder of your web server and it is unable to do so.');
		$o .= t('This is most often a permission setting, as the web server may not be able to write files in your folder - even if you can.');
		$o .= t('Please check with your site documentation or support people to see if this situation can be corrected.');
		$o .= t('If not, you may be required to perform a manual installation. Please see the file "INSTALL.txt" for instructions.'); 
	}

	return $o;
}

	
function manual_config(&$a) {
	$data = htmlentities($a->data['txt']);
	$o = t('The database configuration file ".htconfig.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.');
	$o .= "<textarea rows=\"24\" cols=\"80\" >$data</textarea>";
	return $o;
}


function load_database($db) {

	$str = file_get_contents('database.sql');
	$arr = explode(';',$str);
	$errors = 0;
	foreach($arr as $a) {
		if(strlen(trim($a))) {	
			$r = @$db->q(trim($a));
			if(! $r) {
				notice( t('Errors encountered creating database tables.') . $a . EOL);
				$errors ++;
			}
		}
	}
	return $errors;
}