304 lines
12 KiB
PHP
304 lines
12 KiB
PHP
<?php
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require_once dirname(__DIR__, 2) . '/includes/crypto.php';
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require_once dirname(__DIR__, 2) . '/includes/icloud_caldav.php';
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/**
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* Mot de passe normalisé + URL calendrier (découverte si racine iCloud).
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*
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* @return array{integration: array, password: string}
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*/
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function ios_caldav_prepare(array $integration, ?PDO $metaPdo = null): array
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{
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$password = hh_normalize_apple_app_password(hh_decrypt_secret($integration['secret_encrypted']));
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$url = trim($integration['calendar_url'] ?? '');
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$resolvedUrl = hh_icloud_resolve_calendar_url_if_needed($integration['username'], $password, $url);
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$out = $integration;
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$out['calendar_url'] = $resolvedUrl;
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if ($metaPdo && !empty($integration['id']) && rtrim($url, '/') !== rtrim($resolvedUrl, '/')) {
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$metaPdo->prepare('UPDATE user_calendar_integrations SET calendar_url = ? WHERE id = ?')
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->execute([$resolvedUrl, $integration['id']]);
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}
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return ['integration' => $out, 'password' => $password];
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}
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function ios_make_ics(array $event): string
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{
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$uid = $event['external_uid'] ?: ('hh-' . $event['id'] . '@househub');
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$start = gmdate('Ymd\THis\Z', strtotime($event['start_at']));
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$end = gmdate('Ymd\THis\Z', strtotime($event['end_at']));
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$summary = addcslashes($event['title'] ?? '', ",;");
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$description = addcslashes($event['description'] ?? '', ",;");
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$location = addcslashes($event['location'] ?? '', ",;");
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$updated = gmdate('Ymd\THis\Z');
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return "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//HouseHub//Calendar iOS//FR\r\nBEGIN:VEVENT\r\nUID:$uid\r\nDTSTAMP:$updated\r\nDTSTART:$start\r\nDTEND:$end\r\nSUMMARY:$summary\r\nDESCRIPTION:$description\r\nLOCATION:$location\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n";
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}
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function ios_caldav_request(string $url, string $username, string $password, string $method = 'GET', ?string $body = null, array $headers = []): array
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{
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$ch = curl_init($url);
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$defaultCt = ($method === 'REPORT' || $method === 'PROPFIND')
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? 'application/xml; charset=utf-8'
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: 'text/calendar; charset=utf-8';
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$requestHeaders = array_merge([
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'Content-Type: ' . $defaultCt,
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], $headers);
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$timeout = ($method === 'REPORT' || $method === 'PROPFIND') ? 60 : 20;
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => $timeout,
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CURLOPT_CUSTOMREQUEST => $method,
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CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
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CURLOPT_USERPWD => $username . ':' . $password,
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CURLOPT_HTTPHEADER => $requestHeaders,
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CURLOPT_HEADER => true,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_MAXREDIRS => 10,
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]);
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if ($body !== null) {
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curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
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}
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$raw = curl_exec($ch);
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$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
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$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($raw === false) {
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return ['code' => 0, 'headers' => '', 'body' => ''];
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}
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return [
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'code' => $code,
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'headers' => substr($raw, 0, $headerSize),
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'body' => substr($raw, $headerSize),
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];
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}
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/**
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* Déplie les lignes ICS pliées (RFC 5545).
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*/
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function ios_ics_unfold(string $ics): string
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{
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$ics = str_replace("\r\n", "\n", $ics);
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return preg_replace("/\n[ \t]/", '', $ics);
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}
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/**
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* @return list<array{external_uid:string,title:string,description:string,location:string,start_at:string,end_at:string}>
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*/
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function ios_parse_vevents_from_ics(string $ics): array
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{
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$ics = ios_ics_unfold($ics);
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$events = [];
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if (!preg_match_all('/BEGIN:VEVENT\s*(.*?)\s*END:VEVENT/s', $ics, $matches)) {
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return [];
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}
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foreach ($matches[1] as $chunk) {
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if (!preg_match('/^UID:([^\r\n]+)/m', $chunk, $uidM)) {
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continue;
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}
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$uid = trim($uidM[1]);
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$summary = '';
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if (preg_match('/^SUMMARY:([^\r\n]*)/m', $chunk, $m)) {
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$summary = str_replace('\\,', ',', str_replace('\\;', ';', trim($m[1])));
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}
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$description = '';
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if (preg_match('/^DESCRIPTION:([^\r\n]*)/m', $chunk, $m)) {
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$description = str_replace('\\,', ',', str_replace('\\;', ';', str_replace('\\n', "\n", trim($m[1]))));
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}
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$location = '';
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if (preg_match('/^LOCATION:([^\r\n]*)/m', $chunk, $m)) {
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$location = str_replace('\\,', ',', str_replace('\\;', ';', trim($m[1])));
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}
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$startRaw = null;
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if (preg_match('/^DTSTART[^:]*:([^\r\n]+)/m', $chunk, $m)) {
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$startRaw = trim($m[1]);
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}
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if ($startRaw === null || $startRaw === '') {
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continue;
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}
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$endRaw = null;
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if (preg_match('/^DTEND[^:]*:([^\r\n]+)/m', $chunk, $m)) {
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$endRaw = trim($m[1]);
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}
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if (preg_match('/^\d{8}$/', $startRaw)) {
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$startTs = strtotime($startRaw . 'T000000 UTC');
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} else {
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$norm = preg_replace('/^(\d{8})T(\d{6})Z?$/', '$1T$2 UTC', $startRaw);
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$startTs = strtotime($norm ?: $startRaw);
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if ($startTs === false) {
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$startTs = strtotime($startRaw);
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}
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}
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if ($startTs === false) {
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continue;
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}
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if ($endRaw !== null && $endRaw !== '') {
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if (preg_match('/^\d{8}$/', $endRaw)) {
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$endTs = strtotime($endRaw . 'T000000 UTC');
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} else {
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$normE = preg_replace('/^(\d{8})T(\d{6})Z?$/', '$1T$2 UTC', $endRaw);
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$endTs = strtotime($normE ?: $endRaw);
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if ($endTs === false) {
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$endTs = strtotime($endRaw);
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}
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}
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} else {
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$endTs = $startTs;
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}
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if ($endTs === false) {
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$endTs = $startTs;
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}
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$events[] = [
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'external_uid' => $uid,
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'title' => $summary,
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'description' => $description,
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'location' => $location,
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'start_at' => date('Y-m-d H:i:s', $startTs),
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'end_at' => date('Y-m-d H:i:s', $endTs),
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];
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}
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return $events;
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}
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/**
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* Associe chaque fragment iCalendar du REPORT à l’URL de ressource CalDAV (nécessaire pour PUT/DELETE sur iCloud).
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*
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* @return list<array{resource_url:string,ical:string}>
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*/
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function ios_caldav_parse_report_calendar_fragments(string $xmlBody, string $calendarBaseUrl): array
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{
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$dom = new DOMDocument();
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if (!@$dom->loadXML($xmlBody)) {
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return [];
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}
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$xpath = new DOMXPath($dom);
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$responses = $xpath->query("//*[local-name()='response']");
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$out = [];
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foreach ($responses as $resp) {
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$hrefNodes = $xpath->query(".//*[local-name()='href']", $resp);
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if ($hrefNodes->length === 0) {
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continue;
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}
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$href = trim($hrefNodes->item(0)->textContent);
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if ($href === '') {
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continue;
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}
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$cd = $xpath->query(".//*[local-name()='calendar-data']", $resp);
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if ($cd->length === 0) {
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continue;
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}
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$ical = trim($cd->item(0)->textContent);
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if ($ical === '' || stripos($ical, 'BEGIN:VEVENT') === false) {
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continue;
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}
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$resourceUrl = (str_starts_with($href, 'http://') || str_starts_with($href, 'https://'))
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? $href
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: hh_caldav_resolve_href(rtrim($calendarBaseUrl, '/') . '/', $href);
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$out[] = ['resource_url' => $resourceUrl, 'ical' => $ical];
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}
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return $out;
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}
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/**
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* URLs des collections calendrier à interroger (tous les calendriers iCloud du compte, sinon l’URL configurée seule).
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*
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* @return list<string>
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*/
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function ios_sync_calendar_collection_urls(array $integration, string $password): array
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{
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$primary = rtrim($integration['calendar_url'] ?? '', '/') . '/';
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if (hh_caldav_url_is_icloud($primary)) {
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try {
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$entries = hh_icloud_discover_calendar_entries($integration['username'], $password);
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return array_values(array_unique(array_map(static function (array $e): string {
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return rtrim($e['url'], '/') . '/';
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}, $entries)));
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} catch (Throwable $e) {
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// compte partiellement lisible : au moins le calendrier principal
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}
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}
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return [$primary];
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}
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/**
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* @return list<array<string,mixed>> champs événement + _resource_url + _calendar_collection_url
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*/
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function ios_fetch_remote_events(array $integration, string $password): array
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{
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$calUrl = rtrim($integration['calendar_url'], '/') . '/';
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$tStart = gmdate('Ymd\THis\Z', strtotime('-3 years'));
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$tEnd = gmdate('Ymd\THis\Z', strtotime('+4 years'));
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$reportXml = '<?xml version="1.0" encoding="UTF-8"?>'
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. '<C:calendar-query xmlns:C="urn:ietf:params:xml:ns:caldav" xmlns:D="DAV:">'
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. '<D:prop><C:calendar-data/></D:prop>'
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. '<C:filter>'
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. '<C:comp-filter name="VCALENDAR">'
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. '<C:comp-filter name="VEVENT">'
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. '<C:time-range start="' . htmlspecialchars($tStart, ENT_XML1 | ENT_QUOTES, 'UTF-8') . '" end="' . htmlspecialchars($tEnd, ENT_XML1 | ENT_QUOTES, 'UTF-8') . '"/>'
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. '</C:comp-filter></C:comp-filter></C:filter>'
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. '</C:calendar-query>';
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$res = ios_caldav_request($calUrl, $integration['username'], $password, 'REPORT', $reportXml, [
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'Accept: application/xml, text/xml',
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'Depth: 1',
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]);
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if (!in_array($res['code'], [200, 207], true)) {
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throw new RuntimeException('Lecture CalDAV (REPORT) impossible (HTTP ' . $res['code'] . ').');
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}
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$fragments = ios_caldav_parse_report_calendar_fragments($res['body'], $calUrl);
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$byUid = [];
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foreach ($fragments as $frag) {
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foreach (ios_parse_vevents_from_ics($frag['ical']) as $ev) {
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$ev['_resource_url'] = $frag['resource_url'];
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$ev['_calendar_collection_url'] = $calUrl;
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$byUid[$ev['external_uid']] = $ev;
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}
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}
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if ($byUid === [] && strpos($res['body'], 'multistatus') === false) {
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$get = ios_caldav_request($calUrl, $integration['username'], $password, 'GET', null, ['Accept: text/calendar']);
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if ($get['code'] >= 200 && $get['code'] < 400 && str_contains($get['body'], 'BEGIN:VEVENT')) {
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foreach (ios_parse_vevents_from_ics($get['body']) as $ev) {
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$ev['_resource_url'] = null;
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$ev['_calendar_collection_url'] = $calUrl;
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$byUid[$ev['external_uid']] = $ev;
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}
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}
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}
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return array_values($byUid);
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}
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/**
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* Fusionne tous les calendriers du compte (iCloud) ou une seule collection.
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*
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* @return list<array<string,mixed>>
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*/
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function ios_fetch_remote_events_all_calendars(array $integration, string $password): array
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{
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$urls = ios_sync_calendar_collection_urls($integration, $password);
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$merged = [];
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foreach ($urls as $url) {
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$sub = $integration;
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$sub['calendar_url'] = $url;
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foreach (ios_fetch_remote_events($sub, $password) as $ev) {
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$merged[$ev['external_uid']] = $ev;
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}
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}
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return array_values($merged);
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}
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function ios_push_event_to_remote(array $integration, array $event, string $password, ?string $resourceUrl = null, ?string $collectionUrlOverride = null): array
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{
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$uid = $event['external_uid'] ?: ('hh-' . $event['id'] . '@househub');
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$collection = rtrim($collectionUrlOverride ?? $integration['calendar_url'], '/');
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$url = $resourceUrl ?: ($collection . '/' . rawurlencode($uid) . '.ics');
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$ics = ios_make_ics($event);
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return ios_caldav_request($url, $integration['username'], $password, 'PUT', $ics);
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}
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function ios_delete_remote_event(array $integration, string $externalUid, string $password, ?string $resourceUrl = null, ?string $collectionUrlOverride = null): array
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{
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$collection = rtrim($collectionUrlOverride ?? $integration['calendar_url'], '/');
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$url = $resourceUrl ?: ($collection . '/' . rawurlencode($externalUid) . '.ics');
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return ios_caldav_request($url, $integration['username'], $password, 'DELETE', null, ['Accept: */*']);
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}
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