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[friendica.git] / mod / install.php
1 <?php
2
3 $install_wizard_pass=1;
4
5
6 function install_init(&$a){
7         
8         // $baseurl/install/testrwrite to test if rewite in .htaccess is working
9         if ($a->argc==2 && $a->argv[1]=="testrewrite") {
10                 echo "ok";
11                 killme();
12         }
13         global $install_wizard_pass;
14         if (x($_POST,'pass'))
15                 $install_wizard_pass = intval($_POST['pass']);
16
17 }
18
19 function install_post(&$a) {
20         global $install_wizard_pass, $db;
21
22         switch($install_wizard_pass) {
23                 case 1:
24                 case 2:
25                         return;
26                         break; // just in case return don't return :)
27                 case 3:
28                         $urlpath = $a->get_path();
29                         $dbhost = notags(trim($_POST['dbhost']));
30                         $dbuser = notags(trim($_POST['dbuser']));
31                         $dbpass = notags(trim($_POST['dbpass']));
32                         $dbdata = notags(trim($_POST['dbdata']));
33                         $phpath = notags(trim($_POST['phpath']));
34
35                         require_once("dba.php");
36                         unset($db);
37                         $db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
38                         /*if(get_db_errno()) {
39                                 unset($db);
40                                 $db = new dba($dbhost, $dbuser, $dbpass, '', true);
41
42                                 if(! get_db_errno()) {
43                                         $r = q("CREATE DATABASE '%s'",
44                                                         dbesc($dbdata)
45                                         );
46                                         if($r) {
47                                                 unset($db);
48                                                 $db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
49                                         } else {
50                                                 $a->data['db_create_failed']=true;
51                                         }
52                                 } else {
53                                         $a->data['db_conn_failed']=true;
54                                         return;
55                                 }
56                         }*/
57                         if(get_db_errno()) {
58                                 $a->data['db_conn_failed']=true;
59                         }
60
61                         return; 
62                         break;
63                 case 4:
64                         $urlpath = $a->get_path();
65                         $dbhost = notags(trim($_POST['dbhost']));
66                         $dbuser = notags(trim($_POST['dbuser']));
67                         $dbpass = notags(trim($_POST['dbpass']));
68                         $dbdata = notags(trim($_POST['dbdata']));
69                         $phpath = notags(trim($_POST['phpath']));
70                         $timezone = notags(trim($_POST['timezone']));
71                         $adminmail = notags(trim($_POST['adminmail']));
72
73                         // connect to db
74                         $db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
75
76                         $tpl = get_intltext_template('htconfig.tpl');
77                         $txt = replace_macros($tpl,array(
78                                 '$dbhost' => $dbhost,
79                                 '$dbuser' => $dbuser,
80                                 '$dbpass' => $dbpass,
81                                 '$dbdata' => $dbdata,
82                                 '$timezone' => $timezone,
83                                 '$urlpath' => $urlpath,
84                                 '$phpath' => $phpath,
85                                 '$adminmail' => $adminmail
86                         ));
87
88                         $result = file_put_contents('.htconfig.php', $txt);
89                         if(! $result) {
90                                 $a->data['txt'] = $txt;
91                         }
92
93                         $errors = load_database($db);
94
95                         if($errors)
96                                 $a->data['db_failed'] = $errors;
97                         else
98                                 $a->data['db_installed'] = true;
99
100                         return;
101                 break;
102         }
103 }
104
105 function get_db_errno() {
106         if(class_exists('mysqli'))
107                 return mysqli_connect_errno();
108         else
109                 return mysql_errno();
110 }               
111
112 function install_content(&$a) {
113
114         global $install_wizard_pass, $db;
115         $o = '';
116         $wizard_status = "";
117         $install_title = t('Friendica Social Communications Server - Setup');
118         
119
120         
121         if(x($a->data,'db_conn_failed')) {
122                 $install_wizard_pass = 2;
123                 $wizard_status =  t('Could not connect to database.');
124         }
125         if(x($a->data,'db_create_failed')) {
126                 $install_wizard_pass = 2;
127                 $wizard_status =  t('Could not create table.');
128         }
129         
130         $db_return_text="";
131         if(x($a->data,'db_installed')) {
132                 $txt = '<p style="font-size: 130%;">';
133                 $txt .= t('Your Friendica site database has been installed.') . EOL;
134                 $db_return_text .= $txt;
135         }
136
137         if(x($a->data,'db_failed')) {
138                 $txt = t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
139                 $txt .= t('Please see the file "INSTALL.txt".') . EOL ."<hr>" ;
140                 $txt .= "<pre>".$a->data['db_failed'] . "</pre>". EOL ;
141                 $db_return_text .= $txt;
142         }
143         
144         if($db && $db->connected) {
145                 $r = q("SELECT COUNT(*) as `total` FROM `user`");
146                 if($r && count($r) && $r[0]['total']) {
147                         $tpl = get_markup_template('install.tpl');
148                         return replace_macros($tpl, array(
149                                 '$title' => $install_title,
150                                 '$pass' => '',
151                                 '$status' => t('Permission denied.'),
152                                 '$text' => '',
153                         ));
154                 }
155         }
156
157         if(x($a->data,'txt') && strlen($a->data['txt'])) {
158                 $db_return_text .= manual_config($a);
159         }
160         
161         if ($db_return_text!="") {
162                 $tpl = get_markup_template('install.tpl');
163                 return replace_macros($tpl, array(
164                         '$title' => $install_title,
165                         '$pass' => "",
166                         '$text' => $db_return_text . what_next(),
167                 ));
168         }
169         
170         switch ($install_wizard_pass){
171                 case 1: { // System check
172
173
174                         $checks = array();
175
176                         check_funcs($checks);
177
178                         check_htconfig($checks);
179
180                         check_keys($checks);
181                         
182                         if(x($_POST,'phpath'))
183                                 $phpath = notags(trim($_POST['phpath']));
184
185                         check_php($phpath, $checks);
186
187             check_htaccess($checks);
188             
189                         function check_passed($v, $c){
190                                 if ($c['required'])
191                                         $v = $v && $c['status'];
192                                 return $v;
193                         }
194                         $checkspassed = array_reduce($checks, "check_passed", true);
195                 
196
197
198                         $tpl = get_markup_template('install_checks.tpl');
199                         $o .= replace_macros($tpl, array(
200                                 '$title' => $install_title,
201                                 '$pass' => t('System check'),
202                                 '$checks' => $checks,
203                                 '$passed' => $checkspassed,
204                                 '$see_install' => t('Please see the file "INSTALL.txt".'),
205                                 '$next' => t('Next'),
206                                 '$reload' => t('Check again'),
207                                 '$phpath' => $phpath,
208                                 '$baseurl' => $a->get_baseurl(),
209                         ));
210                         return $o;
211                 }; break;
212                 
213                 case 2: { // Database config
214
215                         $dbhost = ((x($_POST,'dbhost')) ? notags(trim($_POST['dbhost'])) : 'localhost');
216                         $dbuser = notags(trim($_POST['dbuser']));
217                         $dbpass = notags(trim($_POST['dbpass']));
218                         $dbdata = notags(trim($_POST['dbdata']));
219                         $phpath = notags(trim($_POST['phpath']));
220                         
221
222                         $tpl = get_markup_template('install_db.tpl');
223                         $o .= replace_macros($tpl, array(
224                                 '$title' => $install_title,
225                                 '$pass' => t('Database connection'),
226                                 '$info_01' => t('In order to install Friendica we need to know how to connect to your database.'),
227                                 '$info_02' => t('Please contact your hosting provider or site administrator if you have questions about these settings.'),
228                                 '$info_03' => t('The database you specify below should already exist. If it does not, please create it before continuing.'),
229
230                                 '$status' => $wizard_status,
231                                 
232                                 '$dbhost' => array('dbhost', t('Database Server Name'), $dbhost, ''),
233                                 '$dbuser' => array('dbuser', t('Database Login Name'), $dbuser, ''),
234                                 '$dbpass' => array('dbpass', t('Database Login Password'), $dbpass, ''),
235                                 '$dbdata' => array('dbdata', t('Database Name'), $dbdata, ''),
236                                 '$adminmail' => array('adminmail', t('Site administrator email address'), $adminmail, t('Your account email address must match this in order to use the web admin panel.')),
237
238                                 
239
240                                 '$lbl_10' => t('Please select a default timezone for your website'),
241                                 
242                                 '$baseurl' => $a->get_baseurl(),
243                                 
244                                 '$phpath' => $phpath,
245                                 
246                                 '$submit' => t('Submit'),
247                                 
248                         ));
249                         return $o;
250                 }; break;
251                 case 3: { // Site settings
252                         require_once('datetime.php');
253                         $dbhost = ((x($_POST,'dbhost')) ? notags(trim($_POST['dbhost'])) : 'localhost');
254                         $dbuser = notags(trim($_POST['dbuser']));
255                         $dbpass = notags(trim($_POST['dbpass']));
256                         $dbdata = notags(trim($_POST['dbdata']));
257                         $phpath = notags(trim($_POST['phpath']));
258                         
259                         $adminmail = notags(trim($_POST['adminmail']));
260                         $timezone = ((x($_POST,'timezone')) ? ($_POST['timezone']) : 'America/Los_Angeles');
261                         
262                         $tpl = get_markup_template('install_settings.tpl');
263                         $o .= replace_macros($tpl, array(
264                                 '$title' => $install_title,
265                                 '$pass' => t('Site settings'),
266
267                                 '$status' => $wizard_status,
268                                 
269                                 '$dbhost' => $dbhost, 
270                                 '$dbuser' => $dbuser,
271                                 '$dbpass' => $dbpass,
272                                 '$dbdata' => $dbdata,
273                                 '$phpath' => $phpath,
274                                 
275                                 '$adminmail' => array('adminmail', t('Site administrator email address'), $adminmail, t('Your account email address must match this in order to use the web admin panel.')),
276
277                                 
278                                 '$timezone' => field_timezone('timezone', t('Please select a default timezone for your website'), $timezone, ''),
279                                 
280                                 '$baseurl' => $a->get_baseurl(),
281                                 
282                                 
283                                 
284                                 '$submit' => t('Submit'),
285                                 
286                         ));
287                         return $o;
288                 }; break;
289                         
290         }
291 }
292
293 /**
294  * checks   : array passed to template
295  * title    : string
296  * status   : boolean
297  * required : boolean
298  * help         : string optional
299  */
300 function check_add(&$checks, $title, $status, $required, $help){
301         $checks[] = array(
302                 'title' => $title,
303                 'status' => $status,
304                 'required' => $required,
305                 'help'  => $help,
306         );
307 }
308
309 function check_php(&$phpath, &$checks) {
310         if (strlen($phpath)){
311                 $passed = file_exists($phpath);
312         } else {
313                 $phpath = trim(shell_exec('which php'));
314                 $passed = strlen($phpath);
315         }
316         $help = "";
317         if(!$passed) {
318                 $help .= t('Could not find a command line version of PHP in the web server PATH.'). EOL;
319                 $help .= t("If you don't have a command line version of PHP installed on server, you will not be able to run background polling via cron. See <a href='http://friendica.com/node/27'>'Activating scheduled tasks'</a>") . EOL ;
320                 $help .= EOL . EOL ;
321                 $tpl = get_markup_template('field_input.tpl');
322                 $help .= replace_macros($tpl, array(
323                         '$field' => array('phpath', t('PHP executable path'), $phpath, t('Enter full path to php executable. You can leave this blank to continue the installation.')),
324                 ));
325                 $phpath="";
326         }
327         
328         check_add($checks, t('Command line PHP').($passed?" (<tt>$phpath</tt>)":""), $passed, false, $help);
329         
330         if($passed) {
331                 $str = autoname(8);
332                 $cmd = "$phpath testargs.php $str";
333                 $result = trim(shell_exec($cmd));
334                 $passed2 = $result == $str;
335                 $help = "";
336                 if(!$passed2) {
337                         $help .= t('The command line version of PHP on your system does not have "register_argc_argv" enabled.'). EOL;
338                         $help .= t('This is required for message delivery to work.');
339                 }
340                 check_add($checks, t('PHP register_argc_argv'), $passed, true, $help);
341         }
342         
343
344 }
345
346 function check_keys(&$checks) {
347
348         $help = '';
349
350         $res = false;
351
352         if(function_exists('openssl_pkey_new')) 
353                 $res=openssl_pkey_new(array(
354                 'digest_alg' => 'sha1',
355                 'private_key_bits' => 4096,
356                 'encrypt_key' => false ));
357
358         // Get private key
359
360         if(! $res) {
361                 $help .= t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys'). EOL;
362                 $help .= t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');
363         }
364         check_add($checks, t('Generate encryption keys'), $res, true, $help);
365
366 }
367
368
369 function check_funcs(&$checks) {
370         $ck_funcs = array();
371         check_add($ck_funcs, t('libCurl PHP module'), true, true, "");
372         check_add($ck_funcs, t('GD graphics PHP module'), true, true, "");
373         check_add($ck_funcs, t('OpenSSL PHP module'), true, true, "");
374         check_add($ck_funcs, t('mysqli PHP module'), true, true, "");
375         check_add($ck_funcs, t('mb_string PHP module'), true, true, "");
376                 
377         
378         if(function_exists('apache_get_modules')){
379                 if (! in_array('mod_rewrite',apache_get_modules())) {
380                         check_add($ck_funcs, t('Apache mod_rewrite module'), false, true, t('Error: Apache webserver mod-rewrite module is required but not installed.'));
381                 } else {
382                         check_add($ck_funcs, t('Apache mod_rewrite module'), true, true, "");
383                 }
384         }
385
386         if(! function_exists('curl_init')){
387                 $ck_funcs[0]['status']= false;
388                 $ck_funcs[0]['help']= t('Error: libCURL PHP module required but not installed.');
389         }
390         if(! function_exists('imagecreatefromjpeg')){
391                 $ck_funcs[1]['status']= false;
392                 $ck_funcs[1]['help']= t('Error: GD graphics PHP module with JPEG support required but not installed.');
393         }
394         if(! function_exists('openssl_public_encrypt')) {
395                 $ck_funcs[2]['status']= false;
396                 $ck_funcs[2]['help']= t('Error: openssl PHP module required but not installed.');
397         }
398         if(! function_exists('mysqli_connect')){
399                 $ck_funcs[3]['status']= false;
400                 $ck_funcs[3]['help']= t('Error: mysqli PHP module required but not installed.');
401         }
402         if(! function_exists('mb_strlen')){
403                 $ck_funcs[4]['status']= false;
404                 $ck_funcs[4]['help']= t('Error: mb_string PHP module required but not installed.');
405         }
406         
407         $checks = array_merge($checks, $ck_funcs);
408         
409         /*if((x($_SESSION,'sysmsg')) && is_array($_SESSION['sysmsg']) && count($_SESSION['sysmsg']))
410                 notice( t('Please see the file "INSTALL.txt".') . EOL);*/
411 }
412
413
414 function check_htconfig(&$checks) {
415         $status = true;
416         $help = "";
417         if(     (file_exists('.htconfig.php') && !is_writable('.htconfig.php')) ||
418                 (!file_exists('.htconfig.php') && !is_writable('.')) ) {
419         
420                 $status=false;
421                 $help = 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.') .EOL;
422                 $help .= 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.').EOL;
423                 $help .= t('At the end of this procedure, we will give you a text to save in a file named .htconfig.php in your Friendica top folder.').EOL;
424                 $help .= t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.').EOL; 
425         }
426     
427         check_add($checks, t('.htconfig.php is writable'), $status, false, $help);
428
429 }
430
431 function check_htaccess(&$checks) {
432         $a = get_app();
433         $status = true;
434         $help = "";
435         if (function_exists('curl_init')){
436         $test = fetch_url($a->get_baseurl()."/install/testrewrite");
437         if ($test!="ok") {
438             $status = false;
439             $help = t('Url rewrite in .htaccess is not working. Check your server configuration.');
440         }
441         check_add($checks, t('Url rewrite is working'), $status, true, $help); 
442     } else {
443         // cannot check modrewrite if libcurl is not installed
444     }
445         
446 }
447
448         
449 function manual_config(&$a) {
450         $data = htmlentities($a->data['txt']);
451         $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.');
452         $o .= "<textarea rows=\"24\" cols=\"80\" >$data</textarea>";
453         return $o;
454 }
455
456 function load_database_rem($v, $i){
457         $l = trim($i);
458         if (strlen($l)>1 && ($l[0]=="-" || ($l[0]=="/" && $l[1]=="*"))){
459                 return $v;
460         } else  {
461                 return $v."\n".$i;
462         }
463 }
464
465
466 function load_database($db) {
467
468         $str = file_get_contents('database.sql');
469         $arr = explode(';',$str);
470         $errors = false;
471         foreach($arr as $a) {
472                 if(strlen(trim($a))) {  
473                         $r = @$db->q(trim($a));
474                         if(! $r) {
475                                 $errors .=  t('Errors encountered creating database tables.') . $a . EOL;
476                         }
477                 }
478         }
479         return $errors;
480 }
481
482 function what_next() {
483         $a = get_app();
484         $baseurl = $a->get_baseurl();
485         return 
486                 t('<h1>What next</h1>')
487                 ."<p>".t('IMPORTANT: You will need to [manually] setup a scheduled task for the poller.')
488                 .t('Please see the file "INSTALL.txt".')                        
489                 ."</p><p>"
490                 .t("Go to your new Friendica node <a href='$baseurl/register'>registration page</a> and register as new user. Remember to use the same email you have entered as administrator email. This will allow you to enter the site admin panel.")
491                 ."</p>";
492 }
493
494