mirror of
https://gitlab.com/davical-project/davical.git
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20ee255898
This is a significant refactoring, replacing the old getUserBy*() functions with a new Principal class, and replacing the old CalDAVPrincipal class with a new DAVPrincipal class which extends the Principal class. At this point all regression tests pass (again) but there could well be issues for people who use alternative authenticators such as LDAP, although I have endeavoured to resolve those potential issues. Signed-off-by: Andrew McMillan <andrew@morphoss.com>
86 lines
3.3 KiB
PHP
86 lines
3.3 KiB
PHP
<?php
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require_once("./always.php");
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dbg_error_log( "freebusy", " User agent: %s", ((isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "Unfortunately Mulberry and Chandler don't send a 'User-agent' header with their requests :-(")) );
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dbg_log_array( "headers", '_SERVER', $_SERVER, true );
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if ( isset($c->public_freebusy_url) && $c->public_freebusy_url ) {
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require_once("PublicSession.php");
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$session = new PublicSession();
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}
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else {
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require_once("HTTPAuthSession.php");
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$session = new HTTPAuthSession();
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}
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/**
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* Submission parameters recommended by calconnect, plus some generous alternatives
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*/
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param_to_global('fb_start', '#^[a-z0-9/:.,+-]+$#i', 'start', 'from');
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param_to_global('fb_end', '#^[a-z0-9/:.,+-]+$#i', 'end', 'until', 'finish', 'to');
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param_to_global('fb_period', '#^[+-]?P?(\d+[WD]?)(T(\d+H)?(\d+M)?(\d+S)?)?+$#', 'period');
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param_to_global('fb_format', '#^\S+/\S+$#', 'format');
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param_to_global('fb_user', '#^.*$#', 'user', 'userid', 'user_no', 'email');
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param_to_global('fb_token', '#^[a-z0-9+/-]+$#i', 'token');
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if ( isset($fb_period) ) $fb_period = strtoupper($fb_period);
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if ( !isset($fb_start) || $fb_start == '' ) $fb_start = date('Y-m-d\TH:i:s', time() - 86400 ); // no recommended default. -1 day
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if ( (!isset($fb_period) && !isset($fb_end)) || ($fb_period == '' && $fb_end == '') )
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$fb_period = 'P44D'; // 44 days - 2 days more than recommended default
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/**
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* If fb_user (user, userid, user_no or email parameter) then we adjust
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* the path of the request to suit.
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*/
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if ( isset($fb_user) ) $_SERVER['PATH_INFO'] = '/'.$fb_user.'/';
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/**
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* We also allow URLs like .../freebusy.php/user@example.com to work, so long as
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* the e-mail matches a single user whose calendar we have rights to.
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* @NOTE: It is OK for there to *be* duplicate e-mail addresses, just so long as we
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* only have read permission (or more) for only one of them.
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*/
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require_once("CalDAVRequest.php");
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$request = new CalDAVRequest(array("allow_by_email" => 1));
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$path_match = '^'.$request->path;
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if ( preg_match( '{^/(\S+@[a-z0-9][a-z0-9-]*[.][a-z0-9.-]+)/?$}i', $request->path, $matches ) ) {
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$principal = new Principal('email',$matches[1]);
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$path_match = '^'.$principal->dav_name();
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}
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if ( isset($fb_format) && $fb_format != 'text/calendar' ) {
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$request->DoResponse( 406, translate('This server only supports the text/calendar format for freebusy URLs') );
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}
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if ( ! $request->HavePrivilegeTo('read-free-busy') ) $request->DoResponse( 404 );
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require_once("freebusy-functions.php");
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switch ( $_SERVER['REQUEST_METHOD'] ) {
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case 'GET':
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$range_start = new RepeatRuleDateTime($fb_start);
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if ( !isset($fb_end) ) {
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$range_end = clone($range_start);
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$range_end->modify($fb_period);
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}
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else {
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$range_end = new RepeatRuleDateTime($fb_end);
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}
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$freebusy = get_freebusy( $path_match, $range_start, $range_end );
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$result = new iCalComponent();
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$result->VCalendar();
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$result->AddComponent($freebusy);
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$request->DoResponse( 200, $result->Render(), 'text/calendar' );
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break;
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default:
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dbg_error_log( "freebusy", "Unhandled request method >>%s<<", $_SERVER['REQUEST_METHOD'] );
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dbg_log_array( "freebusy", 'HEADERS', $raw_headers );
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dbg_log_array( "freebusy", '_SERVER', $_SERVER, true );
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@dbg_error_log( "freebusy", "RAW: %s", str_replace("\n", "",str_replace("\r", "", $request->raw_post)) );
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}
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