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https://github.com/itflow-org/itflow
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Rewrite email parser using ImapEngine, harden processing loop
Replace webklex/php-imap with directorytree/imapengine in the ticket email parser. ImapEngine is pure PHP over sockets. Parser improvements: - Wrap per-message processing in try/catch so one malformed email can't abort the run; failures are flagged and logged with UID - Query unseen + unflagged so previously-failed (flagged) messages are no longer re-processed on every cron run - Skip vacation/auto-responder emails (RFC 3834) to prevent mail loops with the ticket auto-reply - Cap messages per run (50) and attachment size (15MB); inline images over 2MB are stored as attachments instead of base64-embedded in ticket details - Atomic lock file creation - preg_quote() the ticket prefix in subject matching - Dedupe CC watchers and exclude the sender - Map webklex 'tls' encryption setting to STARTTLS for compatibility NDR/DSN parsing now walks MIME parts via the underlying zbateson parser instead of relying on attachment extraction.
This commit is contained in:
johnnyq
230
plugins/vendor/guzzlehttp/psr7/src/PumpStream.php
vendored
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230
plugins/vendor/guzzlehttp/psr7/src/PumpStream.php
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@@ -0,0 +1,230 @@
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<?php
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declare(strict_types=1);
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namespace GuzzleHttp\Psr7;
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use Psr\Http\Message\StreamInterface;
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/**
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* Provides a read only stream that pumps data from a PHP callable.
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*
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* When invoking the provided callable, the PumpStream will pass the suggested
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* number of bytes to read to the callable. The callable can choose to ignore
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* this value and return fewer or more bytes than requested. Any extra data
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* returned by the callable is buffered internally until drained using the
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* read() function of the PumpStream. The callable MUST return false or null
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* when there is no more data to read.
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*
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* Userland callables that declare no parameters are tolerated by PHP, but
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* length-aware callables remain the recommended formal shape.
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*/
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final class PumpStream implements StreamInterface
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{
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/** @var callable|null */
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private $source;
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/** @var int|null */
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private $size;
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/** @var int */
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private $tellPos = 0;
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/** @var array */
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private $metadata;
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/** @var BufferStream */
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private $buffer;
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/**
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* @param (callable(): (string|false|null))|(callable(int): (string|false|null)) $source Source of the stream data. The callable receives
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* the suggested number of bytes to read, may ignore
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* that value, and may return fewer or more bytes.
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* Extra bytes are buffered. The callable MUST return
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* a string when called, or false|null on error or EOF.
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* Userland callables that declare no parameters are
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* tolerated by PHP, but length-aware callables remain
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* the recommended formal shape.
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* @param array{size?: int, metadata?: array} $options Stream options:
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* - metadata: Hash of metadata to use with stream.
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* - size: Size of the stream, if known.
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*/
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public function __construct(callable $source, array $options = [])
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{
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$this->source = $source;
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$this->size = $options['size'] ?? null;
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$this->metadata = $options['metadata'] ?? [];
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$this->buffer = new BufferStream();
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}
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public function __toString(): string
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{
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try {
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return Utils::copyToString($this);
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} catch (\Throwable $e) {
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if (\PHP_VERSION_ID >= 70400) {
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throw $e;
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}
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trigger_error(sprintf('%s::__toString exception: %s', self::class, (string) $e), E_USER_ERROR);
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return '';
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}
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}
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public function close(): void
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{
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$this->detach();
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}
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public function detach()
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{
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$this->tellPos = 0;
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$this->source = null;
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return null;
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}
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public function getSize(): ?int
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{
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return $this->size;
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}
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public function tell(): int
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{
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return $this->tellPos;
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}
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public function eof(): bool
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{
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return $this->source === null;
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}
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public function isSeekable(): bool
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{
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return false;
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}
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public function rewind(): void
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{
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$this->seek(0);
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}
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public function seek($offset, $whence = SEEK_SET): void
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{
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if (!\is_int($offset)) {
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\trigger_deprecation(
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'guzzlehttp/psr7',
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'2.11',
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'Passing %s to StreamInterface::seek() is deprecated; guzzlehttp/psr7 3.0 requires int for $offset.',
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\get_debug_type($offset)
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);
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}
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if (!\is_int($whence)) {
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\trigger_deprecation(
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'guzzlehttp/psr7',
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'2.11',
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'Passing %s to StreamInterface::seek() is deprecated; guzzlehttp/psr7 3.0 requires int for $whence.',
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\get_debug_type($whence)
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);
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}
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throw new \RuntimeException('Cannot seek a PumpStream');
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}
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public function isWritable(): bool
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{
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return false;
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}
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public function write($string): int
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{
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if (!\is_string($string)) {
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\trigger_deprecation(
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'guzzlehttp/psr7',
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'2.11',
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'Passing %s to StreamInterface::write() is deprecated; guzzlehttp/psr7 3.0 requires string for $string.',
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\get_debug_type($string)
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);
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}
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throw new \RuntimeException('Cannot write to a PumpStream');
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}
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public function isReadable(): bool
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{
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return true;
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}
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public function read($length): string
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{
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if (!\is_int($length)) {
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\trigger_deprecation(
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'guzzlehttp/psr7',
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'2.11',
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'Passing %s to StreamInterface::read() is deprecated; guzzlehttp/psr7 3.0 requires int for $length.',
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\get_debug_type($length)
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);
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}
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$data = $this->buffer->read($length);
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$readLen = strlen($data);
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$this->tellPos += $readLen;
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$remaining = $length - $readLen;
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if ($remaining) {
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$this->pump($remaining);
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$data .= $this->buffer->read($remaining);
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$this->tellPos += strlen($data) - $readLen;
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}
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return $data;
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}
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public function getContents(): string
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{
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$result = '';
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while (!$this->eof()) {
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$result .= $this->read(1000000);
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}
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return $result;
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}
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/**
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* @return mixed
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*/
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public function getMetadata($key = null)
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{
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if ($key !== null && !\is_string($key)) {
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\trigger_deprecation(
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'guzzlehttp/psr7',
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'2.11',
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'Passing %s to StreamInterface::getMetadata() is deprecated; guzzlehttp/psr7 3.0 requires string|null for $key.',
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\get_debug_type($key)
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);
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}
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if (!$key) {
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return $this->metadata;
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}
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return $this->metadata[$key] ?? null;
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}
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private function pump(int $length): void
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{
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if ($this->source !== null) {
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do {
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$data = ($this->source)($length);
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if ($data === false || $data === null) {
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$this->source = null;
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return;
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}
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$this->buffer->write($data);
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$length -= strlen($data);
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} while ($length > 0);
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}
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}
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}
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