calDAV v3

2026-05-13 16:20:33 +02:00
parent d660d2cc7a
commit 5b74c6da04
3 changed files with 196 additions and 73 deletions
@@ -19,7 +19,7 @@ require __DIR__ . '/header.php';
        <button class="pf-btn btn-secondary" id="ios-sync-btn">Synchroniser</button>
      </div>
    </div>
-    <p class="pf-muted-note">Créez vos événements ici, puis synchronisez-les avec iCloud CalDAV.</p>
+    <p class="pf-muted-note">Les événements affichés viennent de HouseHub après import. Cliquez sur <strong>Synchroniser</strong> pour récupérer ceux qui sont déjà dans ton calendrier iCloud (fenêtre d’environ trois ans en arrière à quatre ans en avant).</p>
  </section>

  <section class="pf-panel-card">
@@ -135,15 +135,13 @@ if ($action === 'sync' && $method === 'POST') {

    try {
        $ctx = ios_caldav_prepare($integration, $meta_pdo);
-    } catch (Throwable $e) {
-        ios_err('CalDAV: ' . $e->getMessage(), 400);
-    }
        $integration = $ctx['integration'];
        $davPassword = $ctx['password'];
-
        $remoteEvents = ios_fetch_remote_events($integration, $davPassword);
        $remoteByUid = [];
-    foreach ($remoteEvents as $re) $remoteByUid[$re['external_uid']] = $re;
+        foreach ($remoteEvents as $re) {
+            $remoteByUid[$re['external_uid']] = $re;
+        }

        $localStmt = $pdo->query("SELECT * FROM pf_calendar_events WHERE deleted_at IS NULL");
        $localEvents = $localStmt->fetchAll();
@@ -185,7 +183,11 @@ if ($action === 'sync' && $method === 'POST') {
        }

        $meta_pdo->prepare("UPDATE user_calendar_integrations SET last_sync_at=NOW(), status='connected' WHERE id=?")->execute([$integration['id']]);
-    ios_ok(['message' => 'Synchronisation terminée.']);
+        $n = count($remoteEvents);
+        ios_ok(['message' => 'Synchronisation terminée. ' . $n . ' événement(s) lu(s) depuis iCloud.']);
+    } catch (Throwable $e) {
+        ios_err('CalDAV: ' . $e->getMessage(), 400);
+    }
 }

 ios_err('Action inconnue', 404);
@@ -37,17 +37,23 @@ function ios_make_ics(array $event): string
 function ios_caldav_request(string $url, string $username, string $password, string $method = 'GET', ?string $body = null, array $headers = []): array
 {
    $ch = curl_init($url);
+    $defaultCt = ($method === 'REPORT' || $method === 'PROPFIND')
+        ? 'application/xml; charset=utf-8'
+        : 'text/calendar; charset=utf-8';
    $requestHeaders = array_merge([
-        'Content-Type: text/calendar; charset=utf-8',
+        'Content-Type: ' . $defaultCt,
    ], $headers);
+    $timeout = ($method === 'REPORT' || $method === 'PROPFIND') ? 60 : 20;
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
-        CURLOPT_TIMEOUT => 20,
+        CURLOPT_TIMEOUT => $timeout,
        CURLOPT_CUSTOMREQUEST => $method,
        CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
        CURLOPT_USERPWD => $username . ':' . $password,
        CURLOPT_HTTPHEADER => $requestHeaders,
        CURLOPT_HEADER => true,
+        CURLOPT_FOLLOWLOCATION => true,
+        CURLOPT_MAXREDIRS => 10,
    ]);
    if ($body !== null) {
        curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
@@ -66,41 +72,156 @@ function ios_caldav_request(string $url, string $username, string $password, str
    ];
 }

-function ios_fetch_remote_events(array $integration, string $password): array
+/**
+ * Déplie les lignes ICS pliées (RFC 5545).
+ */
+function ios_ics_unfold(string $ics): string
 {
-    $res = ios_caldav_request($integration['calendar_url'], $integration['username'], $password, 'GET', null, ['Accept: text/calendar']);
-    if ($res['code'] < 200 || $res['code'] >= 400) {
-        throw new RuntimeException('Lecture CalDAV impossible (HTTP ' . $res['code'] . ')');
+    $ics = str_replace("\r\n", "\n", $ics);
+    return preg_replace("/\n[ \t]/", '', $ics);
+}
+
+/**
+ * Extrait les blocs texte <calendar-data> d’une réponse 207 REPORT (CalDAV).
+ *
+ * @return list<string>
+ */
+function ios_caldav_extract_calendar_data_bodies(string $xmlBody): array
+{
+    $dom = new DOMDocument();
+    if (!@$dom->loadXML($xmlBody)) {
+        return [];
    }
-    $blocks = preg_split('/BEGIN:VEVENT|END:VEVENT/', $res['body']);
+    $xpath = new DOMXPath($dom);
+    $nodes = $xpath->query("//*[local-name()='calendar-data']");
+    $out = [];
+    foreach ($nodes as $node) {
+        $t = trim($node->textContent);
+        if ($t !== '') {
+            $out[] = $t;
+        }
+    }
+    return $out;
+}
+
+/**
+ * @return list<array{external_uid:string,title:string,description:string,location:string,start_at:string,end_at:string}>
+ */
+function ios_parse_vevents_from_ics(string $ics): array
+{
+    $ics = ios_ics_unfold($ics);
    $events = [];
-    foreach ($blocks as $chunk) {
-        if (strpos($chunk, 'UID:') === false) {
+    if (!preg_match_all('/BEGIN:VEVENT\s*(.*?)\s*END:VEVENT/s', $ics, $matches)) {
+        return [];
+    }
+    foreach ($matches[1] as $chunk) {
+        if (!preg_match('/^UID:([^\r\n]+)/m', $chunk, $uidM)) {
            continue;
        }
-        preg_match('/UID:(.+)\R/', $chunk, $uidM);
-        preg_match('/SUMMARY:(.+)\R/', $chunk, $sumM);
-        preg_match('/DESCRIPTION:(.+)\R/', $chunk, $descM);
-        preg_match('/LOCATION:(.+)\R/', $chunk, $locM);
-        preg_match('/DTSTART(?:;VALUE=DATE)?:(.+)\R/', $chunk, $startM);
-        preg_match('/DTEND(?:;VALUE=DATE)?:(.+)\R/', $chunk, $endM);
-        if (empty($uidM[1]) || empty($startM[1])) {
+        $uid = trim($uidM[1]);
+        $summary = '';
+        if (preg_match('/^SUMMARY:([^\r\n]*)/m', $chunk, $m)) {
+            $summary = str_replace('\\,', ',', str_replace('\\;', ';', trim($m[1])));
+        }
+        $description = '';
+        if (preg_match('/^DESCRIPTION:([^\r\n]*)/m', $chunk, $m)) {
+            $description = str_replace('\\,', ',', str_replace('\\;', ';', str_replace('\\n', "\n", trim($m[1]))));
+        }
+        $location = '';
+        if (preg_match('/^LOCATION:([^\r\n]*)/m', $chunk, $m)) {
+            $location = str_replace('\\,', ',', str_replace('\\;', ';', trim($m[1])));
+        }
+        $startRaw = null;
+        if (preg_match('/^DTSTART[^:]*:([^\r\n]+)/m', $chunk, $m)) {
+            $startRaw = trim($m[1]);
+        }
+        if ($startRaw === null || $startRaw === '') {
            continue;
        }
-        $start = date('Y-m-d H:i:s', strtotime(trim($startM[1])));
-        $end = !empty($endM[1]) ? date('Y-m-d H:i:s', strtotime(trim($endM[1]))) : $start;
+        $endRaw = null;
+        if (preg_match('/^DTEND[^:]*:([^\r\n]+)/m', $chunk, $m)) {
+            $endRaw = trim($m[1]);
+        }
+        if (preg_match('/^\d{8}$/', $startRaw)) {
+            $startTs = strtotime($startRaw . 'T000000 UTC');
+        } else {
+            $norm = preg_replace('/^(\d{8})T(\d{6})Z?$/', '$1T$2 UTC', $startRaw);
+            $startTs = strtotime($norm ?: $startRaw);
+            if ($startTs === false) {
+                $startTs = strtotime($startRaw);
+            }
+        }
+        if ($startTs === false) {
+            continue;
+        }
+        if ($endRaw !== null && $endRaw !== '') {
+            if (preg_match('/^\d{8}$/', $endRaw)) {
+                $endTs = strtotime($endRaw . 'T000000 UTC');
+            } else {
+                $normE = preg_replace('/^(\d{8})T(\d{6})Z?$/', '$1T$2 UTC', $endRaw);
+                $endTs = strtotime($normE ?: $endRaw);
+                if ($endTs === false) {
+                    $endTs = strtotime($endRaw);
+                }
+            }
+        } else {
+            $endTs = $startTs;
+        }
+        if ($endTs === false) {
+            $endTs = $startTs;
+        }
        $events[] = [
-            'external_uid' => trim($uidM[1]),
-            'title' => trim($sumM[1] ?? ''),
-            'description' => trim($descM[1] ?? ''),
-            'location' => trim($locM[1] ?? ''),
-            'start_at' => $start,
-            'end_at' => $end,
+            'external_uid' => $uid,
+            'title' => $summary,
+            'description' => $description,
+            'location' => $location,
+            'start_at' => date('Y-m-d H:i:s', $startTs),
+            'end_at' => date('Y-m-d H:i:s', $endTs),
        ];
    }
    return $events;
 }

+function ios_fetch_remote_events(array $integration, string $password): array
+{
+    $calUrl = rtrim($integration['calendar_url'], '/') . '/';
+    $tStart = gmdate('Ymd\THis\Z', strtotime('-3 years'));
+    $tEnd = gmdate('Ymd\THis\Z', strtotime('+4 years'));
+    $reportXml = '<?xml version="1.0" encoding="UTF-8"?>'
+        . '<C:calendar-query xmlns:C="urn:ietf:params:xml:ns:caldav" xmlns:D="DAV:">'
+        . '<D:prop><C:calendar-data/></D:prop>'
+        . '<C:filter>'
+        . '<C:comp-filter name="VCALENDAR">'
+        . '<C:comp-filter name="VEVENT">'
+        . '<C:time-range start="' . htmlspecialchars($tStart, ENT_XML1 | ENT_QUOTES, 'UTF-8') . '" end="' . htmlspecialchars($tEnd, ENT_XML1 | ENT_QUOTES, 'UTF-8') . '"/>'
+        . '</C:comp-filter></C:comp-filter></C:filter>'
+        . '</C:calendar-query>';
+
+    $res = ios_caldav_request($calUrl, $integration['username'], $password, 'REPORT', $reportXml, [
+        'Accept: application/xml, text/xml',
+        'Depth: 1',
+    ]);
+    if (!in_array($res['code'], [200, 207], true)) {
+        throw new RuntimeException('Lecture CalDAV (REPORT) impossible (HTTP ' . $res['code'] . ').');
+    }
+    $bodies = ios_caldav_extract_calendar_data_bodies($res['body']);
+    $byUid = [];
+    foreach ($bodies as $fragment) {
+        foreach (ios_parse_vevents_from_ics($fragment) as $ev) {
+            $byUid[$ev['external_uid']] = $ev;
+        }
+    }
+    if ($byUid === [] && strpos($res['body'], '<multistatus') === false && strpos($res['body'], 'multistatus') === false) {
+        $get = ios_caldav_request($calUrl, $integration['username'], $password, 'GET', null, ['Accept: text/calendar']);
+        if ($get['code'] >= 200 && $get['code'] < 400 && str_contains($get['body'], 'BEGIN:VEVENT')) {
+            foreach (ios_parse_vevents_from_ics($get['body']) as $ev) {
+                $byUid[$ev['external_uid']] = $ev;
+            }
+        }
+    }
+    return array_values($byUid);
+}
+
 function ios_push_event_to_remote(array $integration, array $event, string $password): array
 {
    $uid = $event['external_uid'] ?: ('hh-' . $event['id'] . '@househub');