56 lines
1.5 KiB
Markdown
56 lines
1.5 KiB
Markdown
---
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title: messages.getDocumentByHash
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description: Get a document by its SHA256 hash, mainly used for gifs
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/messages_getDocumentByHash.html
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---
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# Method: messages.getDocumentByHash
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[Back to methods index](index.md)
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Get a document by its SHA256 hash, mainly used for gifs
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### Parameters:
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| Name | Type | Description | Required |
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|----------|---------------|-------------|----------|
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|sha256|[bytes](../types/bytes.md) | SHA256 of file | Yes|
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|size|[int](../types/int.md) | Size of the file in bytes | Yes|
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|mime\_type|[string](../types/string.md) | Mime type | Yes|
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### Return type: [Document](../types/Document.md)
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### Can bots use this method: **YES**
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### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
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```php
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if (!file_exists('madeline.php')) {
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copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
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}
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include 'madeline.php';
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$MadelineProto = new \danog\MadelineProto\API('session.madeline');
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$MadelineProto->start();
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$Document = $MadelineProto->messages->getDocumentByHash(['sha256' => 'bytes', 'size' => int, 'mime_type' => 'string', ]);
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```
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Or, if you're into Lua:
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```lua
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Document = messages.getDocumentByHash({sha256='bytes', size=int, mime_type='string', })
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```
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### Errors
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| Code | Type | Description |
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|------|----------|---------------|
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|400|SHA256_HASH_INVALID|The provided SHA256 hash is invalid|
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