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2020-02-03 23:47:37 +01:00
# tg-file-decoder
Decode [Telegram bot API file IDs](https://core.telegram.org).
## Install
```bash
composer require danog/tg-file-decoder
```
On 32-bit systems, [phpseclib](https://github.com/phpseclib/phpseclib) is also required.
## Examples:
### Decoding bot API file IDs
```php
use danog\Decoder\FileId;
use danog\Decoder\UniqueFileId;
$fileId = FileId::fromBotAPI('CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ');
$version = $fileId->getVersion(); // bot API file ID version, usually 4
$subVersion = $fileId->getSubVersion(); // bot API file ID subversion, equivalent to a specific tdlib version
$dcId = $fileId->getDcId(); // On which datacenter is this file stored
$type = $fileId->getType(); // File type
$typeName = $fileId->getType(); // File type (as string)
$id = $fileId->getId();
$accessHash = $fileId->getAccessHash();
$fileReference = $fileId->getFileReference(); // File reference, https://core.telegram.org/api/file_reference
$url = $fileId->getUrl(); // URL, file IDs with encoded webLocation
// You can also use hasFileReference and hasUrl
$fileIdReencoded = $fileId->getBotAPI(); // CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ
$fileIdReencoded = (string) $fileId; // CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ
// For photos, thumbnails if ($fileId->getType() <= PHOTO)
$volumeId = $fileId->getVolumeID();
$localId = $fileId->getLocalID();
// if $fileId->hasPhotoSizeSource()
$photoSizeSource = $fileId->getPhotoSizeSource(); // PhotoSizeSource object
$photoSizeSource->getDialogId();
$photoSizeSource->getStickerSetId();
// And more, depending on photosize source
```
The bot API subversion, present since file IDs v4, is equivalent to the [version of tdlib](https://github.com/tdlib/td/blob/master/td/telegram/Version.h#L13) used server-side in the bot API.
For file types, see [file types](#bot-api-file-id-types).
For photosize source, see [here](#photosize-source).
### Decoding bot API unique file IDs
```php
$uniqueFileId = UniqueFileId::fromUniqueBotAPI('AgADrQEAArE4rFE');
$type = $fileId->getType(); // Unique file type
$typeName = $fileId->getType(); // Unique file type (as string)
$id = $uniqueFileId->getId();
$accessHash = $uniqueFileId->getAccessHash();
$url = $uniqueFileId->getUrl(); // URL, for unique file IDs with encoded webLocation
// You can also use hasUrl
// For photos
$volumeId = $uniqueFileId->getVolumeID();
$localId = $uniqueFileId->getLocalID();
```
For unique file types, see [unique types](#bot-api-unique-file-id-types).
### Extracting unique file IDs from full file IDs
```php
$full = 'CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ';
$unique = 'AgADrQEAArE4rFE';
$fileId = FileId::fromBotAPI($full);
$uniqueFileId = UniqueFileId::fromUniqueBotAPI($unique);
$uniqueFileIdExtracted1 = UniqueFileId::fromBotAPI($full);
$uniqueFileIdExtracted2 = $fileId->getUniqueBotAPI();
var_dump(((string) $uniqueFileId) === ((string) $uniqueFileIdExtracted1)); // true, always AgADrQEAArE4rFE!
var_dump(((string) $uniqueFileId) === ((string) $uniqueFileIdExtracted2)); // true, always AgADrQEAArE4rFE!
```
### Photosize source
```php
$fileId = FileId::fromString('CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ');
$photoSizeSource = $fileId->getPhotoSizeSource(); // PhotoSizeSource object
$sourceType = $photoSizeSource->getType();
// If
$dialogId = $photoSizeSource->getDialogId();
$dialogId = $photoSizeSource->getStickerSetId();
```
### Building custom file IDs
```php
$fileId = new FileId;
$fileId->setType(STICKER);
$fileId->setId($id);
$fileId->setAccessHash($customHash);
// You get it...
$encoded = (string) $fileId; // CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ, or something
```
All classes, from [FileId](#fileid), to [UniqueFileID](#uniquefileid), to [PhotoSizeSource](PhotoSizeSourceDialogPhoto) can be built using `set` methods for each and every field.
### Bot API unique file ID types
The file type is a numeric constant indicating the type of file, (the constant is always in the `danog\Decoder` namespace).
The file type name is a string version of the file type, typically the one used in bot API file objects.
The `TYPES` array contains a `file type` => `file type name` map.
The `TYPES_IDS` array contains a `file type name` => `file type` map.
`const CONSTANTNAME = value` - Description (`type name`)
* `const THUMBNAIL = 0` - Thumbnail (`thumbnail`)
* `const PROFILE_PHOTO = 1` - Profile photo; used for users, supergroups and channels, chat photos are normal PHOTOs (`profile_photo`)
* `const PHOTO = 2` - Photo (`photo`)
* `const VOICE = 3` - Voice message (`voice`)
* `const VIDEO = 4` - Video (`video`)
* `const DOCUMENT = 5` - Document (`document`)
* `const ENCRYPTED = 6` - Secret chat document (`encrypted`)
* `const TEMP = 7` - Temp document (`temp`)
* `const STICKER = 8` - Sticker (`sticker`)
* `const AUDIO = 9` - Music (`audio`)
* `const ANIMATION = 10` - GIF (`animation`)
* `const ENCRYPTED_THUMBNAIL = 11` - Thumbnail of secret chat document (`encrypted_thumbnail`)
* `const WALLPAPER = 12` - Wallpaper (`wallpaper`)
* `const VIDEO_NOTE = 13` - Round video (`video_note`)
* `const SECURE_RAW = 14` - Passport raw file (`secure_raw`)
* `const SECURE = 15` - Passport file (`secure`)
* `const WALLPAPER = 16` - Background (`background`)
* `const WALLPAPER = 17` - Size (`size`)
* `const NONE = 18` -
## Full API documentation
* [FileId](#fileid) - Main file ID class
* [fromBotAPI](#frombotapi)
* [getBotAPI](#getbotapi)
* [getUnique](#getunique)
* [getVersion](#getversion)
* [setVersion](#setversion)
* [getSubVersion](#getsubversion)
* [setSubVersion](#setsubversion)
* [getType](#gettype)
* [getTypeName](#gettypename)
* [setType](#settype)
* [getFileReference](#getfilereference)
* [setFileReference](#setfilereference)
* [hasFileReference](#hasfilereference)
* [getUrl](#geturl)
* [hasUrl](#hasurl)
* [setUrl](#seturl)
* [getId](#getid)
* [setId](#setid)
* [hasId](#hasid)
* [getAccessHash](#getaccesshash)
* [setAccessHash](#setaccesshash)
* [getVolumeId](#getvolumeid)
* [setVolumeId](#setvolumeid)
* [hasVolumeId](#hasvolumeid)
* [getLocalId](#getlocalid)
* [setLocalId](#setlocalid)
* [hasLocalId](#haslocalid)
* [getPhotoSizeSource](#getphotosizesource)
* [setPhotoSizeSource](#setphotosizesource)
* [hasPhotoSizeSource](#hasphotosizesource)
* [getDcId](#getdcid)
* [setDcId](#setdcid)
* [PhotoSizeSourceDialogPhoto](#photosizesourcedialogphoto)
* [setType](#settype-1)
* [getDialogId](#getdialogid)
* [setDialogId](#setdialogid)
* [getDialogAccessHash](#getdialogaccesshash)
* [setDialogAccessHash](#setdialogaccesshash)
* [isSmallDialogPhoto](#issmalldialogphoto)
* [setDialogPhotoSmall](#setdialogphotosmall)
* [PhotoSizeSourceLegacy](#photosizesourcelegacy)
* [setType](#settype-2)
* [getSecret](#getsecret)
* [setSecret](#setsecret)
* [PhotoSizeSourceStickersetThumbnail](#photosizesourcestickersetthumbnail)
* [setType](#settype-3)
* [getStickerSetId](#getstickersetid)
* [setStickerSetId](#setstickersetid)
* [getStickerSetAccessHash](#getstickersetaccesshash)
* [setStickerSetAccessHash](#setstickersetaccesshash)
* [PhotoSizeSourceThumbnail](#photosizesourcethumbnail)
* [setType](#settype-4)
* [getThumbFileType](#getthumbfiletype)
* [getThumbFileTypeString](#getthumbfiletypestring)
* [setThumbFileType](#setthumbfiletype)
* [getThumbType](#getthumbtype)
* [setThumbType](#setthumbtype)
* [UniqueFileId](#uniquefileid)
* [__toString](#__tostring-1)
* [getUniqueBotAPI](#getuniquebotapi)
* [fromUniqueBotAPI](#fromuniquebotapi)
* [fromBotAPI](#frombotapi-1)
* [fromFileId](#fromfileid)
* [getTypeName](#gettypename-1)
* [getType](#gettype-1)
* [setType](#settype-5)
* [getId](#getid-1)
* [setId](#setid-1)
* [hasId](#hasid-1)
* [getVolumeId](#getvolumeid-1)
* [setVolumeId](#setvolumeid-1)
* [hasVolumeId](#hasvolumeid-1)
* [getLocalId](#getlocalid-1)
* [setLocalId](#setlocalid-1)
* [hasLocalId](#haslocalid-1)
* [getUrl](#geturl-1)
* [setUrl](#seturl-1)
* [hasUrl](#hasurl-1)
## FileId
Represents decoded bot API file ID.
* Full name: \danog\Decoder\FileId
### fromBotAPI
Decode file ID from bot API file ID.
```php
FileId::fromBotAPI( string $fileId ): self
```
* This method is **static**.
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$fileId` | **string** | File ID |
---
### getBotAPI
Get bot API file ID.
```php
FileId::getBotAPI( ): string
```
---
### getUnique
Get unique file ID from file ID.
```php
FileId::getUnique( ): \danog\Decoder\UniqueFileId
```
---
### __toString
Get bot API file ID.
```php
FileId::__toString( ): string
```
---
### getVersion
Get bot API file ID version.
```php
FileId::getVersion( ): integer
```
---
### setVersion
Set bot API file ID version.
```php
FileId::setVersion( integer $_version ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_version` | **integer** | Bot API file ID version. |
---
### getSubVersion
Get bot API file ID subversion.
```php
FileId::getSubVersion( ): integer
```
---
### setSubVersion
Set bot API file ID subversion.
```php
FileId::setSubVersion( integer $_subVersion ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_subVersion` | **integer** | Bot API file ID subversion. |
---
### getType
Get file type.
```php
FileId::getType( ): integer
```
---
### getTypeName
Get file type as string.
```php
FileId::getTypeName( ): string
```
---
### setType
Set file type.
```php
FileId::setType( integer $_type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_type` | **integer** | File type. |
---
### getFileReference
Get file reference.
```php
FileId::getFileReference( ): string
```
---
### setFileReference
Set file reference.
```php
FileId::setFileReference( string $_fileReference ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_fileReference` | **string** | File reference. |
---
### hasFileReference
Check if has file reference.
```php
FileId::hasFileReference( ): boolean
```
---
### getUrl
Get file URL for weblocation.
```php
FileId::getUrl( ): string
```
---
### hasUrl
Check if has file URL.
```php
FileId::hasUrl( ): boolean
```
---
### setUrl
Set file URL for weblocation.
```php
FileId::setUrl( string $_url ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_url` | **string** | File URL for weblocation. |
---
### getId
Get file id.
```php
FileId::getId( ): integer
```
---
### setId
Set file id.
```php
FileId::setId( integer $_id ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_id` | **integer** | File id. |
---
### hasId
Check if has file id.
```php
FileId::hasId( ): boolean
```
---
### getAccessHash
Get file access hash.
```php
FileId::getAccessHash( ): integer
```
---
### setAccessHash
Set file access hash.
```php
FileId::setAccessHash( integer $_accessHash ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_accessHash` | **integer** | File access hash. |
---
### getVolumeId
Get photo volume ID.
```php
FileId::getVolumeId( ): integer
```
---
### setVolumeId
Set photo volume ID.
```php
FileId::setVolumeId( integer $_volumeId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_volumeId` | **integer** | Photo volume ID. |
---
### hasVolumeId
Check if has volume ID.
```php
FileId::hasVolumeId( ): boolean
```
---
### getLocalId
Get photo local ID.
```php
FileId::getLocalId( ): integer
```
---
### setLocalId
Set photo local ID.
```php
FileId::setLocalId( integer $_localId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_localId` | **integer** | Photo local ID. |
---
### hasLocalId
Check if has local ID.
```php
FileId::hasLocalId( ): boolean
```
---
### getPhotoSizeSource
Get photo size source.
```php
FileId::getPhotoSizeSource( ): \danog\Decoder\PhotoSizeSource
```
---
### setPhotoSizeSource
Set photo size source.
```php
FileId::setPhotoSizeSource( \danog\Decoder\PhotoSizeSource $_photoSizeSource ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_photoSizeSource` | **\danog\Decoder\PhotoSizeSource** | Photo size source. |
---
### hasPhotoSizeSource
Check if has photo size source.
```php
FileId::hasPhotoSizeSource( ): boolean
```
---
### getDcId
Get dC ID.
```php
FileId::getDcId( ): integer
```
---
### setDcId
Set dC ID.
```php
FileId::setDcId( integer $_dcId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_dcId` | **integer** | DC ID. |
---
## PhotoSizeSourceDialogPhoto
Represents source of photosize.
* Full name: \danog\Decoder\PhotoSizeSource\PhotoSizeSourceDialogPhoto
* Parent class: \danog\Decoder\PhotoSizeSource
### setType
Get photosize source type.
```php
PhotoSizeSourceDialogPhoto::setType( integer $type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$type` | **integer** | Type |
---
### getDialogId
Get dialog ID.
```php
PhotoSizeSourceDialogPhoto::getDialogId( ): integer
```
---
### setDialogId
Set dialog ID.
```php
PhotoSizeSourceDialogPhoto::setDialogId( integer $id ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$id` | **integer** | Dialog ID |
---
### getDialogAccessHash
Get access hash of dialog.
```php
PhotoSizeSourceDialogPhoto::getDialogAccessHash( ): integer
```
---
### setDialogAccessHash
Set access hash of dialog.
```php
PhotoSizeSourceDialogPhoto::setDialogAccessHash( integer $dialogAccessHash ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$dialogAccessHash` | **integer** | Access hash of dialog |
---
### isSmallDialogPhoto
Get whether the big or small version of the photo is being used.
```php
PhotoSizeSourceDialogPhoto::isSmallDialogPhoto( ): boolean
```
---
### setDialogPhotoSmall
Set whether the big or small version of the photo is being used.
```php
PhotoSizeSourceDialogPhoto::setDialogPhotoSmall( boolean $_dialogPhotoSmall ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_dialogPhotoSmall` | **boolean** | Whether the big or small version of the photo is being used |
---
## PhotoSizeSourceLegacy
Represents source of photosize.
* Full name: \danog\Decoder\PhotoSizeSource\PhotoSizeSourceLegacy
* Parent class: \danog\Decoder\PhotoSizeSource
### setType
Get photosize source type.
```php
PhotoSizeSourceLegacy::setType( integer $type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$type` | **integer** | Type |
---
### getSecret
Get secret legacy ID.
```php
PhotoSizeSourceLegacy::getSecret( ): integer
```
---
### setSecret
Set secret legacy ID.
```php
PhotoSizeSourceLegacy::setSecret( integer $_secret ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_secret` | **integer** | Secret legacy ID |
---
## PhotoSizeSourceStickersetThumbnail
Represents source of photosize.
* Full name: \danog\Decoder\PhotoSizeSource\PhotoSizeSourceStickersetThumbnail
* Parent class: \danog\Decoder\PhotoSizeSource
### setType
Get photosize source type.
```php
PhotoSizeSourceStickersetThumbnail::setType( integer $type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$type` | **integer** | Type |
---
### getStickerSetId
Get stickerset ID.
```php
PhotoSizeSourceStickersetThumbnail::getStickerSetId( ): integer
```
---
### setStickerSetId
Set stickerset ID.
```php
PhotoSizeSourceStickersetThumbnail::setStickerSetId( integer $_stickerSetId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_stickerSetId` | **integer** | Stickerset ID |
---
### getStickerSetAccessHash
Get stickerset access hash.
```php
PhotoSizeSourceStickersetThumbnail::getStickerSetAccessHash( ): integer
```
---
### setStickerSetAccessHash
Set stickerset access hash.
```php
PhotoSizeSourceStickersetThumbnail::setStickerSetAccessHash( integer $_stickerSetAccessHash ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_stickerSetAccessHash` | **integer** | Stickerset access hash |
---
## PhotoSizeSourceThumbnail
Represents source of photosize.
* Full name: \danog\Decoder\PhotoSizeSource\PhotoSizeSourceThumbnail
* Parent class: \danog\Decoder\PhotoSizeSource
### setType
Get photosize source type.
```php
PhotoSizeSourceThumbnail::setType( integer $type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$type` | **integer** | Type |
---
### getThumbFileType
Get file type of original file.
```php
PhotoSizeSourceThumbnail::getThumbFileType( ): integer
```
---
### getThumbFileTypeString
Get file type of original file as string.
```php
PhotoSizeSourceThumbnail::getThumbFileTypeString( ): string
```
---
### setThumbFileType
Set file type of original file.
```php
PhotoSizeSourceThumbnail::setThumbFileType( integer $_thumbFileType ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_thumbFileType` | **integer** | File type of original file |
---
### getThumbType
Get thumbnail size.
```php
PhotoSizeSourceThumbnail::getThumbType( ): string
```
---
### setThumbType
Set thumbnail size.
```php
PhotoSizeSourceThumbnail::setThumbType( string $_thumbType ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_thumbType` | **string** | Thumbnail size |
---
## UniqueFileId
Represents decoded unique bot API file ID.
* Full name: \danog\Decoder\UniqueFileId
### __toString
Get unique bot API file ID.
```php
UniqueFileId::__toString( ): string
```
---
### getUniqueBotAPI
Get unique bot API file ID.
```php
UniqueFileId::getUniqueBotAPI( ): string
```
---
### fromUniqueBotAPI
Decode unique bot API file ID.
```php
UniqueFileId::fromUniqueBotAPI( string $fileId ): self
```
* This method is **static**.
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$fileId` | **string** | Bot API file ID |
---
### fromBotAPI
Convert full bot API file ID to unique file ID.
```php
UniqueFileId::fromBotAPI( string $fileId ): self
```
* This method is **static**.
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$fileId` | **string** | Full bot API file ID |
---
### fromFileId
Turn full file ID into unique file ID.
```php
UniqueFileId::fromFileId( \danog\Decoder\FileId $fileId ): self
```
* This method is **static**.
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$fileId` | **\danog\Decoder\FileId** | Full file ID |
---
### getTypeName
Get unique file type as string.
```php
UniqueFileId::getTypeName( ): string
```
---
### getType
Get unique file type.
```php
UniqueFileId::getType( ): integer
```
---
### setType
Set file type.
```php
UniqueFileId::setType( integer $_type ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_type` | **integer** | File type. |
---
### getId
Get file ID.
```php
UniqueFileId::getId( ): integer
```
---
### setId
Set file ID.
```php
UniqueFileId::setId( integer $_id ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_id` | **integer** | File ID. |
---
### hasId
Check if has ID.
```php
UniqueFileId::hasId( ): boolean
```
---
### getVolumeId
Get photo volume ID.
```php
UniqueFileId::getVolumeId( ): integer
```
---
### setVolumeId
Set photo volume ID.
```php
UniqueFileId::setVolumeId( integer $_volumeId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_volumeId` | **integer** | Photo volume ID. |
---
### hasVolumeId
Check if has volume ID.
```php
UniqueFileId::hasVolumeId( ): boolean
```
---
### getLocalId
Get photo local ID.
```php
UniqueFileId::getLocalId( ): integer
```
---
### setLocalId
Set photo local ID.
```php
UniqueFileId::setLocalId( integer $_localId ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_localId` | **integer** | Photo local ID. |
---
### hasLocalId
Check if has local ID.
```php
UniqueFileId::hasLocalId( ): boolean
```
---
### getUrl
Get weblocation URL.
```php
UniqueFileId::getUrl( ): string
```
---
### setUrl
Set weblocation URL.
```php
UniqueFileId::setUrl( string $_url ): self
```
**Parameters:**
| Parameter | Type | Description |
|-----------|------|-------------|
| `$_url` | **string** | Weblocation URL |
---
### hasUrl
Check if has weblocation URL.
```php
UniqueFileId::hasUrl( ): boolean
```
---
--------
> This document was automatically generated from source code comments on 2020-02-03 using [phpDocumentor](http://www.phpdoc.org/) and [cvuorinen/phpdoc-markdown-public](https://github.com/cvuorinen/phpdoc-markdown-public)
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