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api.php
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api.php
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<?php
/* Copyright (c) 2010-2017 Pavel Vondřička (Pavel.Vondricka@korpus.cz)
* Copyright (c) 2010-2017 Charles University in Prague, Faculty of Arts,
* Institute of the Czech National Corpus
*
* This file is part of InterText Server.
*
* InterText Server 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 3 of the License, or
* (at your option) any later version.
*
* InterText Server 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 InterText Server. If not, see <http://www.gnu.org/licenses/>.
*
*/
#setlocale(LC_COLLATE,'cs_CZ.utf8');
if ($_SERVER['HTTPS']!='') $prot='https://'; else $prot='http://';
$myurl = $prot.$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']; # 'api.php';
$edurl = str_replace('api.php', 'aligner.php', $myurl);
$CLI_MODE=true;
require 'init.php';
require 'lib_intertext.php';
$system = new InterText;
$OK = 0;
$ERR_UNAUTH_USER = 1;
$ERR_UNKNOWN_CMD = 2;
$ERR_PERM_DENIED = 3;
$ERR_NOT_FOUND = 4;
$ERR_TEXT_CHANGED= 5;
$ERR_OTHER = 65535;
$ERRORLIST = array(
$OK => 'OK',
$ERR_UNAUTH_USER => 'Unauthorized user.',
$ERR_UNKNOWN_CMD => 'Unknown request.',
$ERR_PERM_DENIED => 'Permission denied.',
$ERR_NOT_FOUND => 'Not found.',
$ERR_TEXT_CHANGED=> 'Text has been changed. Re-sync!',
$ERR_OTHER => 'Request failed.'
);
function reply($code, $body='', $message='') {
global $ERRORLIST, $req;
$ts = date('c');
if ($message=='') $message = $ERRORLIST[$code];
//$message .= " ($req)";
header ("Content-Type: text/xml");
print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
<reply>
<result>
<number>$code</number>
<text>$message</text>
</result>
<body ts=\"$ts\">
$body\t</body>
</reply>\n";
exit;
}
function trans_usertype($type) {
global $USER_ADMIN, $USER_RESP, $USER_EDITOR;
if ($type==$USER_ADMIN)
return 'admin';
elseif ($type==$USER_RESP)
return 'resp';
elseif ($type==$USER_EDITOR)
return 'editor';
else
return 'unknown';
}
$req = $_REQUEST['req'];
if ($USER['username']=='' && $req!='logout' && $req!='version') reply($ERR_UNAUTH_USER);
//error_log("INTERTEXT API debug: req $req");
# Process requests
switch ($req) {
case 'logout':
reply($OK);
break;
case 'login':
reply($OK, "\t\t<userid>{$USER['id']}</userid>\n");
break;
case 'version':
reply($OK, "\t\t<version>2</version>\n");
break;
case 'al_list':
$body="\t<alignments>\n";
if ($USER['type']==$USER_ADMIN) $uid=0; else $uid=$USER['id'];
$alignments = $system->get_alignments_by_uid($uid,'t.name ASC, v1.version_name ASC, v2.version_name ASC');
foreach ($alignments as $al) {
$al['v1_lchng'] = $system->get_document_lastchange($al['text_id'], $al['v1_id'], $USER['id']);
//$al['v1_lchng'] = str_replace(' ', 'T', $al['v1_lchng']);
if ( $al['v1_lchng']!='') $al['v1_lchng'] = date('c',strtotime($al['v1_lchng']));
$al['v2_lchng'] = $system->get_document_lastchange($al['text_id'], $al['v2_id'], $USER['id']);
//$al['v2_lchng'] = str_replace(' ', 'T', $al['v2_lchng']);
if ( $al['v2_lchng']!='') $al['v2_lchng'] = date('c',strtotime($al['v2_lchng']));
$body.= "\t\t<al id=\"{$al['id']}\">
<text>{$al['text_name']}</text>
<v1 changed=\"{$al['v1_lchng']}\">{$al['v1_name']}</v1>
<v2 changed=\"{$al['v2_lchng']}\">{$al['v2_name']}</v2>
<responsible>{$al['resp']}</responsible>
<editor>{$al['editor']}</editor>
<remote>{$al['remote_user']}</remote>
<perm_central_chstruct>{$al['c_chstruct']}</perm_central_chstruct>
<perm_chtext>{$al['chtext']}</perm_chtext>
<status>{$ALSTAT[$al['status']]}</status>
</al>\n";
}
$body.="\t</alignments>\n";
reply($OK,$body);
break;
case 'al_update_attrs':
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
$astatus = preg_replace('/[^a-z ]/','', $_REQUEST['status']);
$aruser = preg_replace('/[^0-9]/','', $_REQUEST['r_user']);
$aeditor = preg_replace('/[^0-9]/','', $_REQUEST['editor']);
$aresp = preg_replace('/[^0-9]/','', $_REQUEST['resp']);
$apedit = preg_replace('/[^0-1]/','', $_REQUEST['pedit']);
$apcchstr = preg_replace('/[^0-1]/','', $_REQUEST['pcchstr']);
if ($aruser==0) $aruser='';
if ($aeditor==0) $aeditor='';
if ($aresp==0) $aresp='';
$stat = array_search($astatus, $ALSTAT);
if ($aid=='') reply($ERR_NOT_FOUND);
$al = $system->alignment_info($aid);
if ($al===FALSE) reply($ERR_NOT_FOUND);
if (!($USER['type']==$USER_ADMIN || ($USER['type']==$USER_RESP && $al['resp']==$USER['id'])))
reply($ERR_PERM_DENIED);
if ($USER['type']==$USER_RESP && ($stat!=ALSTAT_OPEN && $stat!=ALSTAT_FINISHED))
reply($ERR_PERM_DENIED);
/*if ($al['status']!=ALSTAT_OPEN && $stat!=ALSTAT_OPEN)
reply($ERR_PERM_DENIED);*/
if ($USER['type']==$USER_RESP && $apcchstr!=$al['c_chstruct'])
reply($ERR_PERM_DENIED);
if ($stat!=$al['status'] && !$system->alignment_chstat($aid,$stat))
reply($ERR_OTHER, '', 'Problem when changing status. '.$_ERROR);
if ($stat==ALSTAT_REMOTE) {
if ($aruser!=$al['remote_user'] && !$system->alignment_chruser($aid,$aruser))
reply($ERR_OTHER, '', 'Cannot change remote user. '.$_ERROR);
}
if ($aeditor!=$al['editor'] && !$system->alignment_cheditor($aid,$aeditor))
reply($ERR_OTHER, '', 'Cannot change editor. '.$_ERROR);
if ($aresp!=$al['resp'] && !$system->alignment_chresp($aid,$aresp))
reply($ERR_OTHER, '', 'Cannot change resp. '.$_ERROR);
if ($apedit!=$al['chtext'] && !$system->alignment_chtext($aid,$apedit))
reply($ERR_OTHER, '', 'Cannot change edit permission. '.$_ERROR);
if ($apcchstr!=$al['c_chstruct'] && !$system->alignment_chcstruct($aid,$apcchstr))
reply($ERR_OTHER, '', 'Cannot change cchstruct permission. '.$_ERROR);
reply($OK);
break;
case 'al_download':
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
if ($aid=='') {
reply($ERR_NOT_FOUND);
}
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
$PERM = set_alignment_settings($al);
if (!$PERM['export']) {
reply($ERR_PERM_DENIED);
}
$txt = $al['text_id'];
$v1_id = $al['ver1_id']; $v2_id = $al['ver2_id'];
$al['v1_lchng'] = $system->get_document_lastchange($al['text_id'], $v1_id);
//$al['v1_lchng'] = str_replace(' ', 'T', $al['v1_lchng']);
if ( $al['v1_lchng']!='') $al['v1_lchng'] = date('c',strtotime($al['v1_lchng']));
$data_doc2 = $system->export_document($txt,$v2_id);
$al['v2_lchng'] = $system->get_document_lastchange($al['text_id'], $v2_id);
//$al['v2_lchng'] = str_replace(' ', 'T', $al['v2_lchng']);
if ( $al['v2_lchng']!='') $al['v2_lchng'] = date('c',strtotime($al['v2_lchng']));
$data_doc1 = $system->export_document($txt,$v1_id);
if (!$data_doc1 OR !$data_doc2) {
reply($ERR_OTHER, '', 'Request failed - '.$_ERROR);
}
$data_alignment = $system->export_alignment($aid);
//$data_alignment = base64_encode(gzcompress($data_alignment));
//$data_doc1 = base64_encode(gzcompress($data_doc1));
//$data_doc2 = base64_encode(gzcompress($data_doc2));
$data_alignment = base64_encode($data_alignment);
$data_doc1 = base64_encode($data_doc1);
$data_doc2 = base64_encode($data_doc2);
$body = "<info>
<id>{$al['id']}</id>
<text>{$al['text_name']}</text>
<v1>
<name>{$al['ver1_name']}</name>
<ctime>{$al['v1_lchng']}</ctime>
<perm_chtext>".$PERM[$v1_id]['chtext']."</perm_chtext>
<perm_chstruct>".$PERM[$v1_id]['chstruct']."</perm_chstruct>
</v1>
<v2>
<name>{$al['ver2_name']}</name>
<ctime>{$al['v2_lchng']}</ctime>
<perm_chtext>".$PERM[$v2_id]['chtext']."</perm_chtext>
<perm_chstruct>".$PERM[$v2_id]['chstruct']."</perm_chstruct>
</v2>
</info>
<alignment>$data_alignment</alignment>
<doc1>$data_doc1</doc1>
<doc2>$data_doc2</doc2>
";
reply($OK,$body);
break;
case 'al_lock':
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
if ($aid=='') {
reply($ERR_NOT_FOUND);
}
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
$PERM = set_alignment_settings($al);
if ($PERM['readonly']) {
reply($ERR_PERM_DENIED);
}
$system->alignment_remote_lock($aid,$USER['id']);
reply($OK);
break;
case 'al_unlock':
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
$stat = preg_replace('/[^a-z ]/','', $_REQUEST['stat']);
if ($aid=='') {
reply($ERR_NOT_FOUND);
}
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
$PERM = set_alignment_settings($al);
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
if (!in_array($stat, $ALSTAT))
reply($ERR_NOT_FOUND);
else
$stat = array_search($stat, $ALSTAT);
if (!($USER['type']==$USER_ADMIN || (($USER['type']==$USER_RESP && ($stat==ALSTAT_OPEN || $stat==ALSTAT_FINISHED))) || $stat==ALSTAT_OPEN)) {
reply($ERR_PERM_DENIED);
}
$system->alignment_remote_unlock($aid,$USER['id'],$stat);
reply($OK);
break;
case 'doc_lastchange':
$text = $_REQUEST['text'];
$vname = $_REQUEST['ver'];
$txtid = $system->text_id_by_name($text);
if ($txtid===FALSE)
reply($ERR_NOT_FOUND);
$vinfo = $system->txtver_info($txtid,$vname);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$lchng = $system->get_document_lastchange($txtid, $vinfo['id']);
if ( $lchng!='') $lchng = date('c',strtotime($lchng));
$body = "\t\t<ctime>{$lchng}</ctime>\n";
reply($OK,$body);
break;
case 'doc_changelist':
$text = $_REQUEST['text'];
$vname = $_REQUEST['ver'];
if (IsSet($_REQUEST['aid']))
$aid = preg_replace('/[^0-9]/','', $_REQUEST['aid']);
else if (IsSet($_REQUEST['id'])) // backwards compatibility with the oldest pre-release (remove me later!)
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
else if (IsSet($_REQUEST['ver2'])) { // protocol version 2 support without aid
$ver2 = $_REQUEST['ver2'];
if (!($al=$system->get_alignment_by_name($text,$vname,$ver2)))
$al=$system->get_alignment_by_name($text,$ver2,$vname);
if (!$exa)
$aid = false;
else
$aid = $exa['id'];
} else
$aid = false;
$since = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['since'],' ','+'));
//$since = preg_replace('/\+.+$/','',strtr($since,'T',' '));
$since = date('c',strtotime($since));
if ($aid) {
$al = $system->alignment_info($aid);
$text = $al['text_name'];
}
$txtid = $system->text_id_by_name($text);
if ($txtid===FALSE)
reply($ERR_NOT_FOUND);
$vinfo = $system->txtver_info($txtid,$vname);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
//$chl = $system->get_changes_since($aid,$ver,$since, true, $USER['id']);*/
$chl = $system->get_changes_since($vinfo,$since, true, $USER['id']);
$ts = date('c');
if ($chl===false)
reply($ERR_NOT_FOUND);
$lchng = $system->get_document_lastchange($txtid, $vinfo['id']);
//$lchng = str_replace(' ', 'T', $lchng);
if ( $lchng!='') $lchng = date('c',strtotime($lchng));
$data = "<info>\n\t<ctime>{$lchng}</ctime>\n";
if ($aid) {
$PERM = set_alignment_settings($al);
$vid = $vinfo['id'];
$data.="\t<al_elements>{$vinfo['text_elements']}</al_elements>
<perm_chtext>".$PERM[$vid]['chtext']."</perm_chtext>
<perm_chstruct>".$PERM[$vid]['chstruct']."</perm_chstruct>\n";
}
$data.="</info>\n<changelist text=\"$text\" version=\"$vname\" ts=\"$ts\">\n";
foreach ($chl as $ch) {
$parbr = '';
if ($ch['parbr']!='')
$parbr = " parbr=\"{$ch['parbr']}\"";
$data.="\t<change n=\"{$ch['n']}\" repl=\"{$ch['repl']}\"$parbr>{$ch['contents']}</change>\n";
}
$data .= "</changelist>\n";
reply($OK, $data);
break;
case 'get_elements':
//$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
$text = $_REQUEST['text'];
$ver = $_REQUEST['ver'];
$items = $_REQUEST['items'];
$data = "<elements>\n";
$list = explode(',',$items);
foreach ($list as $num) {
$ret = $system->get_textelement_by_linkcount($text,$ver,$num);
if ($ret===false || count($ret)!=1)
reply($ERR_NOT_FOUND);
//if (count($ret)==1) {
$ret = $ret[0];
$parbr = '';
if ($ret['position']==1)
$parbr = " parbr=\"o\"";
$data .= "\t<element n=\"$num\"$parbr>{$ret['contents']}</element>\n";
//}
}
$data .= "</elements>\n";
reply($OK, $data);
break;
case 'canupload':
if ($USER['type']>$UPLOAD_MAXUSERLEVEL_CLIENT)
reply($ERR_PERM_DENIED);
else {
// test conflicts here
reply($OK);
}
break;
case 'canmerge':
$lastsync = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync'],' ','+'));
if ($lastsync!='') $lastsync = date('c',strtotime($lastsync));
$exaid = preg_replace('/[^\-0-9]/','', $_REQUEST['exaid']);
$tname = $_REQUEST['text'];
$ver = $_REQUEST['ver'];
$ver2 = $_REQUEST['ver2'];
$link = preg_replace('/[^0-9]/','', $_REQUEST['l']);
$count = preg_replace('/[^0-9]/','', $_REQUEST['n']);
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE) {
reply($ERR_NOT_FOUND);}
$vinfo = $system->txtver_info($txt, $ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$chl = $system->get_changes_since($vinfo,$lastsync, true, $USER['id']);
if (count($chl)>0) {
reply($OK,"\t\t<result>-1</result>\n\t\t<message>Text has been changed.</message>\n");
break;
}
$ret = $system->get_textelement_by_linkcount($tname ,$ver,$link,$lastsync);
if (!$ret || count($ret)!=1) {
reply($ERR_NOT_FOUND);
}
$ret = $ret[0];
// since protocol version 2, exaid not required anymore! (for faster response without listing alignments)
if (!IsSet($_REQUEST['exaid'])) {
if (!($exa=$system->get_alignment_by_name($tname,$ver,$ver2)))
$exa=$system->get_alignment_by_name($tname,$ver2,$ver);
if (!$exa)
reply($ERR_NOT_FOUND);
$exaid = $exa['id'];
}
if ($system->merge_possible($txt, $exaid, $ret['eid'], $count)) {
$response = "\t\t<result>1</result>\n\t\t<message></message>\n";
reply($OK, $response);
} else {
$_ERROR = preg_replace("/alignment '([^']*)' \(([0-9]*)\) at positions ([0-9]*)\/([0-9]*)/","<a href=\"{$edurl}?aid=\${2}&offset=\${3}\" target=\"_blank\">alignment '\${1}' at positions \${3}-\${4}</a>",$_ERROR);
$response = "\t\t<result>0</result>\n\t\t<message>{$_ERROR}</message>\n";
reply($OK, $response);
}
break;
case "update":
$aid = preg_replace('/[^\-0-9]/','', $_REQUEST['aid']);
if ($aid > 0) {
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND,'','1');
}
$PERM = set_alignment_settings($al);
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
} else {
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
}
$tname = $_REQUEST['text'];
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND,'','2');
//$txt = $al['text_id'];
$ver = $_REQUEST['ver'];
$text = stripslashes(rawurldecode($_REQUEST["newtext"]));
$text = preg_replace('/\r/','',$text);
$link = preg_replace('/[^0-9]/','', $_REQUEST['l']);
//$lastsync = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']),'T',' '));
//$lastsync = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']);
//$lastsync = date('c',strtotime($lastsync));
$lastsync = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync'],' ','+'));
if ($lastsync!='') $lastsync = date('c',strtotime($lastsync));
$vinfo = $system->txtver_info($txt,$ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND,'','3');
$vid = $vinfo['id'];
$chl = $system->get_changes_since($vinfo,$lastsync, true, $USER['id']);
if (count($chl)>0) {
reply($ERR_TEXT_CHANGED,'',"INTERTEXT API debug: ".count($chl)." changes in {$vinfo['id']} since $lastsync {$_REQUEST['lastsync']}.");
break;
}
$ret = $system->get_textelement_by_linkcount($tname,$ver,$link);
if (!$ret || count($ret)!=1) {
reply($ERR_NOT_FOUND,'','4');
}
$ret = $ret[0];
$id = $ret['eid'];
//$vid = $system->get_ver_by_id($txt,$id);
#print json_encode(array('is_error'=>true,'error_text'=>"Failure: -$vid-","html"=>$orig)); return;
if (preg_match('/\n\n/',$text)) {
if ($aid>0 && !$PERM[$vid]['chstruct']) {
reply($ERR_PERM_DENIED);
}
if ($system->split_element($txt,$id,explode("\n\n",$text),$USER['id'], true))
reply($OK);
else
reply($ERR_OTHER, '', $_ERROR);
return;
}
if((!($aid>0) || $PERM[$vid]['chtext']) AND $system->update_element_text($txt,$id,$text, $USER['id'],'E','NULL', true))
reply($OK);
else {
if ($aid>0 && !$PERM[$vid]['chtext'])
reply($ERR_PERM_DENIED);
else
reply($ERR_OTHER, '', $_ERROR);
}
break;
case "merge":
$aid = preg_replace('/[^\-0-9]/','', $_REQUEST['aid']);
$tname = $_REQUEST['text'];
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND);
$ver = $_REQUEST['ver'];
$link = preg_replace('/[^0-9]/','', $_REQUEST['l']);
// if ($aid=='') {
// reply($ERR_NOT_FOUND);
// }
if ($aid>0) {
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
}
$vinfo = $system->txtver_info($txt,$ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$vid = $vinfo['id'];
//$lastsync = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']),'T',' '));
//$lastsync = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']);
//$lastsync = date('c',strtotime($lastsync));
$lastsync = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync'],' ','+'));
if ($lastsync!='') $lastsync = date('c',strtotime($lastsync));
$chl = $system->get_changes_since($vinfo,$lastsync, true, $USER['id']);
if (count($chl)>0) {
reply($ERR_TEXT_CHANGED);
break;
}
if ($aid>0) {
$PERM = set_alignment_settings($al);
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
if (!$PERM[$vid]['chstruct']) {
reply($ERR_PERM_DENIED);
}
} else {
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
}
//$txt = $al['text_id'];
$ret = $system->get_textelement_by_linkcount($tname,$ver,$link);
if (!$ret || count($ret)!=1) {
reply($ERR_NOT_FOUND);
}
$ret = $ret[0];
$id = $ret['eid'];
//$vid = $system->get_ver_by_id($txt,$id);
if ($system->merge_elements($txt,$id,$USER['id'], true, $aid)) {
reply($OK);
} else {
$_ERROR = preg_replace("/alignment '([^']*)' \(([0-9]*)\) at positions ([0-9]*)\/([0-9]*)/","<a href=\"{$edurl}?aid=\${2}&offset=\${3}\" target=\"_blank\">alignment '\${1}' at positions \${3}-\${4}</a>",$_ERROR);
reply($ERR_OTHER, '', $_ERROR);
}
break;
case "delpar":
$aid = preg_replace('/[^\-0-9]/','', $_REQUEST['aid']);
$tname = $_REQUEST['text'];
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND);
$ver = $_REQUEST['ver'];
$vinfo = $system->txtver_info($txt,$ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$vid = $vinfo['id'];
$link = preg_replace('/[^0-9]/','', $_REQUEST['l']);
// if ($aid=='') {
// reply($ERR_NOT_FOUND);
// }
if ($aid>0) {
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
$PERM = set_alignment_settings($al);
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
if (!$PERM[$vid]['chstruct']) {
reply($ERR_PERM_DENIED);
}
} else {
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
}
//$lastsync = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']),'T',' '));
//$lastsync = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']);
//$lastsync = date('c',strtotime($lastsync));
$lastsync = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync'],' ','+'));
if ($lastsync!='') $lastsync = date('c',strtotime($lastsync));
$chl = $system->get_changes_since($vinfo,$lastsync, true, $USER['id']);
if (count($chl)>0) {
reply($ERR_TEXT_CHANGED);
break;
}
//$txt = $al['text_id'];
$ret = $system->get_textelement_by_linkcount($tname,$ver,$link);
if (!$ret || count($ret)!=1) {
reply($ERR_NOT_FOUND);
}
$ret = $ret[0];
$id = $ret['eid'];
//$vid = $system->get_ver_by_id($txt,$id);
if ($system->merge_parents($txt,$id,$USER['id'], true)) {
reply($OK);
} else {
reply($ERR_OTHER, '', $_ERROR);
}
break;
case "newpar":
$aid = preg_replace('/[^\-0-9]/','', $_REQUEST['aid']);
$tname = $_REQUEST['text'];
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND);
$ver = $_REQUEST['ver'];
$vinfo = $system->txtver_info($txt,$ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$vid = $vinfo['id'];
$link = preg_replace('/[^0-9]/','', $_REQUEST['l']);
// if ($aid=='') {
// reply($ERR_NOT_FOUND);
// }
if ($aid>0) {
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
$PERM = set_alignment_settings($al);
if (!$PERM[$vid]['chstruct']) {
reply($ERR_PERM_DENIED);
}
} else {
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
}
//$lastsync = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']),'T',' '));
//$lastsync = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync']);
//$lastsync = date('c',strtotime($lastsync));
$lastsync = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync'],' ','+'));
if ($lastsync!='') $lastsync = date('c',strtotime($lastsync));
$chl = $system->get_changes_since($vinfo,$lastsync, true, $USER['id']);
if (count($chl)>0) {
reply($ERR_TEXT_CHANGED);
break;
}
//$txt = $al['text_id'];
$ret = $system->get_textelement_by_linkcount($tname,$ver,$link);
if (!$ret || count($ret)!=1) {
reply($ERR_NOT_FOUND);
}
$ret = $ret[0];
$id = $ret['eid'];
//$vid = $system->get_ver_by_id($txt,$id);
if ($system->split_parent($txt,$id,$USER['id'], true)) {
reply($OK);
} else {
reply($ERR_OTHER, '', $_ERROR);
}
break;
case "close_update":
$tname = $_REQUEST['text'];
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND);
$ver = $_REQUEST['ver'];
$vinfo = $system->txtver_info($txt,$ver);
if ($vinfo===FALSE)
reply($ERR_NOT_FOUND);
$vid = $vinfo['id'];
if ($system->close_updates($txt, $vid, $USER['id']))
reply($OK);
else
reply($ERR_NOT_FOUND);
break;
case "upload_doc":
$tname = $_REQUEST['text'];
$vname = $_REQUEST['ver'];
$elements = $_REQUEST['elements'];
$filename = $_FILES['data']['tmp_name'];
if ($filename=='')
reply($ERR_OTHER, '', 'No document uploaded. Please check your server for max. upload size limit in PHP.');
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
$res = $system->import_document($tname,$vname,$filename,$elements);
if (!$res)
reply($ERR_OTHER, '', $_ERROR);
reply($OK);
break;
case "upload_alignment":
$tname = $_REQUEST['text'];
$v1name = $_REQUEST['ver1'];
$v2name = $_REQUEST['ver2'];
/*if (IsSet($_REQUEST['data'])) {
$data = $_REQUEST['data'];
} else*/
if ($_FILES['data']['tmp_name']!='') {
$data = $_FILES['data']['tmp_name'];
} else
reply($ERR_OTHER, '', 'No alignment uploaded. Please check your server for max. upload size limit in PHP.');
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
$txt = $system->text_id_by_name($tname);
if ($txt===FALSE)
reply($ERR_NOT_FOUND);
$v1 = $system->txtver_info($txt,$v1name);
if ($v1===FALSE)
reply($ERR_NOT_FOUND);
$v2 = $system->txtver_info($txt,$v2name);
if ($v2===FALSE)
reply($ERR_NOT_FOUND);
$edit = $DEFAULT_EDIT_PERMISSION;
$method = $DEFAULT_METHOD;
$profile = $DEFAULT_PROFILE;
$editor = $USER['id'];
$resp = $USER['id'];
$aid = $system->import_alignment($data, false, STATUS_MANUAL, false, false, $method, $profile, $resp,$editor);
if (!$aid)
reply($ERR_OTHER, '', $_ERROR);
$system->alignment_remote_lock($aid,$USER['id']);
reply($OK);
break;
case "update_alignment":
$aid = preg_replace('/[^0-9]/','', $_REQUEST['id']);
//$lastsync1 = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync1']),'T',' '));
//$lastsync2 = preg_replace('/\+.+$/','',strtr(preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync2']),'T',' '));
//$lastsync1 = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync1']);
//$lastsync1 = date('c',strtotime($lastsync1));
//$lastsync2 = preg_replace('/[^0-9\-T: \+]/','', $_REQUEST['lastsync2']);
//$lastsync2 = date('c',strtotime($lastsync2));
$lastsync1 = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync1'],' ','+'));
if ($lastsync1!='') $lastsync1 = date('c',strtotime($lastsync1));
$lastsync2 = preg_replace('/[^0-9\-T: +Z]/','', strtr($_REQUEST['lastsync2'],' ','+'));
if ($lastsync2!='') $lastsync2 = date('c',strtotime($lastsync2));
/*if (IsSet($_REQUEST['data'])) {
$data = $_REQUEST['data'];
} else*/
if ($_FILES['data']['tmp_name']!='') {
$data = $_FILES['data']['tmp_name'];
} else
reply($ERR_OTHER, '', 'No alignment uploaded.');
$al = $system->alignment_info($aid);
if ($al===false) {
reply($ERR_NOT_FOUND);
}
$PERM = set_alignment_settings($al);
if (!($al['status']==ALSTAT_REMOTE && $al['remote_user']==$USER['id'])) {
reply($ERR_PERM_DENIED);
}
$txt = $al['text_id']; $v1_id = $al['ver1_id']; $v2_id = $al['ver2_id'];
$v1info = $system->txtver_by_id($v1_id);
if ($v1info===FALSE)
reply($ERR_NOT_FOUND);
$chl = $system->get_changes_since($v1info,$lastsync1, true, $USER['id']);
if (count($chl)>0) {
//error_log("INTERTEXT API debug: ".count($chl)." changes in {$v1info['id']} since $lastsync1.");
reply($ERR_TEXT_CHANGED);
break;
}
$v2info = $system->txtver_by_id($v2_id);
if ($v2info===FALSE)
reply($ERR_NOT_FOUND);
$chl = $system->get_changes_since($v2info,$lastsync2, true, $USER['id']);
if (count($chl)>0) {
//error_log("INTERTEXT API debug: ".count($chl)." changes in {$v2info['id']} since $lastsync2.");
reply($ERR_TEXT_CHANGED);
}
// done by import_alignment
//if (!$al['v1uniq_ids']) { $system->update_eids($txt,$v1_id); $al = $system->alignment_info($aid); }
//if (!$al['v2uniq_ids']) { $system->update_eids($txt,$v2_id); $al = $system->alignment_info($aid); }
// enforce renumbering in case it has been unique but non-standard: we import standard numbered alignment!
$system->update_eids($txt,$v1_id);
$system->update_eids($txt,$v2_id);
$backup = $system->export_alignment($aid);
$system->delete_alignment_from_pos($aid, 0);
if ($system->import_alignment($data, $aid, STATUS_MANUAL, FALSE))
reply($OK);
else {
$system->import_alignment($backup, $aid, STATUS_MANUAL, FALSE);
reply($ERR_OTHER, '', $_ERROR);
}
break;
case 'users_list':
$body = "\t\t<users>\n";
foreach ($USERS as $usr) {
if ($usr['id']=='') continue;
$body.="\t\t\t<user id=\"{$usr['id']}\" type=\"".trans_usertype($usr['type'])."\">{$usr['name']}</user>\n";
}
$body .= "\t\t</users>\n";
reply($OK,$body);
break;
case 'doc_list':
if ($USER['type']>$DOWNLOAD_TXTVER_MAXUSERLEVEL)
reply($ERR_PERM_DENIED);
$list = $system->list_texts();
$body = "\t\t<docs>\n";
foreach ($list as $doc) {
if (!preg_match("/^$DOWNLOAD_TXTVER_FILTER$/",$doc['version_name'])) continue;
$body.="\t\t\t<doc text_id=\"{$doc['text_id']}\" id=\"{$doc['version_id']}\">
<text>{$doc['text_name']}</text>
<ver>{$doc['version_name']}</ver>
</doc>\n";
}
$body .= "\t\t</docs>\n";
reply($OK,$body);
break;
case 'doc_download':
$tname = $_REQUEST['text'];
$vname = $_REQUEST['ver'];
if ($DOWNLOAD_TXTVER_MAXUSERLEVEL>$USER['type'])
reply($ERR_PERM_DENIED);
if (!preg_match("/^$DOWNLOAD_TXTVER_FILTER$/",$ver))
reply($ERR_PERM_DENIED);
$txt = $system->text_id_by_name($tname);
$ver = $system->txtver_info($txt, $vname);
$data_doc = $system->export_document($txt,$ver['id']);
$lchng = $system->get_document_lastchange($txt, $ver['id']);
//$lchng = str_replace(' ', 'T', $lchng);
if ( $lchng!='') $lchng = date('c',strtotime($lchng));
$chtext = $DEFAULT_EDIT_PERMISSION;
$chstruct = $DEFAULT_EDIT_PERMISSION;
if (preg_match("/^$C_VERSION$/",$vname))
$chstruct = $DEFAULT_C_CHSTRUCT_PERMISSION;
if (!$data_doc) {
reply($ERR_OTHER, '', 'Request failed - '.$_ERROR);
}
$data_doc = base64_encode($data_doc);
$body = "<info>
<al_elements>{$ver['text_elements']}</al_elements>
<ctime>{$lchng}</ctime>
<perm_chtext>{$chtext}</perm_chtext>
<perm_chstruct>{$chstruct}</perm_chstruct>
</info>
<doc>$data_doc</doc>
";
reply($OK,$body);
break;
case 'doc_canupload':
$tname = $_REQUEST['text'];
$vname = $_REQUEST['ver'];
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
$txt = $system->text_id_by_name($tname);
if ($txt && $system->txtver_info($txt, $vname))
reply($ERR_OTHER);
else
reply($OK);
break;
case 'al_canupload':
$tname = $_REQUEST['text'];
$vname1 = $_REQUEST['ver1'];
$vname2 = $_REQUEST['ver2'];
if ($UPLOAD_MAXUSERLEVEL_CLIENT > $USER['type'])
reply($ERR_PERM_DENIED);
$txt = $system->text_id_by_name($tname);
if ($txt && ($v1=$system->txtver_info($txt, $vname1)) && ($v2=$system->txtver_info($txt, $vname2))) {
if ($system->alignment_exists($txt, $v1['id'], $v2['id']))
reply($ERR_OTHER);
else
reply($OK);
} else
reply($OK);
break;
default:
reply($ERR_UNKNOWN_CMD);
}
?>