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<?php |
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namespace MagicLink; |
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use Carbon\Carbon; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\QueryException; |
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use Illuminate\Support\Facades\Event; |
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use Illuminate\Support\Facades\Hash; |
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use Illuminate\Support\Str; |
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use MagicLink\Actions\ActionAbstract; |
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use MagicLink\Events\MagicLinkWasCreated; |
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use MagicLink\Events\MagicLinkWasDeleted; |
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use MagicLink\Events\MagicLinkWasVisited; |
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/** |
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* @property string $token |
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* @property Carbon|null $available_at |
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* @property int|null $max_visits |
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* @property int|null $num_visits |
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* @property \MagicLink\Actions\ActionAbstract $action |
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* @property-read string $url |
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* @property int|string $access_code |
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*/ |
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class MagicLink extends Model |
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{ |
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use AccessCode; |
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public function getAccessCode() |
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{ |
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return $this->access_code ?? null; |
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} |
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public function getMagikLinkId() |
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{ |
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return $this->getKey(); |
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} |
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public $incrementing = false; |
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protected $keyType = 'string'; |
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protected static function boot() |
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{ |
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parent::boot(); |
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static::creating(function ($model) { |
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$model->id = Str::uuid(); |
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}); |
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} |
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protected static function getTokenLength() |
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{ |
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return config('magiclink.token.length', 64) <= 255 |
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? config('magiclink.token.length', 64) |
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: 255; |
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} |
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public function getActionAttribute($value) |
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{ |
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if ($this->getConnection()->getDriverName() === 'pgsql') { |
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return unserialize(base64_decode($value)); |
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} |
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return unserialize($value); |
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} |
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public function setActionAttribute($value) |
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{ |
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$this->attributes['action'] = $this->getConnection()->getDriverName() === 'pgsql' |
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? base64_encode(serialize($value)) |
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: serialize($value); |
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} |
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public function baseUrl(?string $baseUrl): self |
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{ |
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$this->attributes['base_url'] = rtrim($baseUrl, '/') . '/'; |
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return $this; |
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} |
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public function getUrlAttribute(): string |
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{ |
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$baseUrl = rtrim($this->attributes['base_url'] ?? '', '/') . '/'; // Use the stored base_url or an empty string |
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return url(sprintf( |
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'%s%s/%s%s%s', |
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$baseUrl, |
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config('magiclink.url.validate_path', 'magiclink'), |
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$this->id, |
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urlencode(':'), |
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$this->token |
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)); |
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} |
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/** |
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* Create MagicLink. |
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* |
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* @return self |
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*/ |
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public static function create(ActionAbstract $action, ?int $lifetime = 4320, ?int $numMaxVisits = null) |
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{ |
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static::deleteMagicLinkExpired(); |
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$magiclink = new static(); |
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$magiclink->token = Str::random(static::getTokenLength()); |
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$magiclink->available_at = $lifetime |
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? Carbon::now()->addMinutes($lifetime) |
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: null; |
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$magiclink->max_visits = $numMaxVisits; |
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$magiclink->action = $action; |
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$magiclink->save(); |
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$magiclink->action = $action->setMagicLinkId($magiclink->id); |
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$magiclink->save(); |
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Event::dispatch(new MagicLinkWasCreated($magiclink)); |
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return $magiclink; |
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} |
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/** |
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* Protect the Action with an access code. |
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*/ |
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public function protectWithAccessCode(string $accessCode): self |
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{ |
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$this->access_code = Hash::make($accessCode); |
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$this->save(); |
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return $this; |
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} |
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/** |
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* Execute Action. |
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* |
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* @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse |
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*/ |
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public function run() |
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{ |
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return $this->action->run(); |
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} |
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/** |
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* Call when magiclink has been visited. |
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* |
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* @return void |
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*/ |
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public function visited() |
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{ |
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try { |
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$this->increment('num_visits'); |
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} catch (QueryException $e) { |
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// catch exceptino if fails to increment num_visits |
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} |
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Event::dispatch(new MagicLinkWasVisited($this)); |
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} |
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/** |
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* Get valid MagicLink by token. |
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* |
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* @param string $token |
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* @return \MagicLink\MagicLink|null |
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*/ |
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public static function getValidMagicLinkByToken($token) |
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{ |
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[$tokenId, $tokenSecret] = explode(':', "{$token}:"); |
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if (empty($tokenSecret)) { |
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return null; |
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} |
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return static::where('id', $tokenId) |
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->where('token', $tokenSecret) |
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->where(function ($query) { |
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$query |
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->whereNull('available_at') |
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->orWhere('available_at', '>=', Carbon::now()); |
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}) |
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->where(function ($query) { |
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$query |
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->whereNull('max_visits') |
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->orWhereRaw('max_visits > num_visits'); |
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}) |
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->first(); |
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} |
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/** |
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* Get MagicLink by token. |
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* |
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* @param string $token |
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* @return \MagicLink\MagicLink|null |
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*/ |
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public static function getMagicLinkByToken($token) |
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{ |
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[$tokenId, $tokenSecret] = explode(':', "{$token}:"); |
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if (empty($tokenSecret)) { |
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return null; |
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} |
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return static::where('id', $tokenId) |
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->where('token', $tokenSecret) |
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->first(); |
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} |
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/** |
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* Delete MagicLink was expired. |
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* |
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* @return void |
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*/ |
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public static function deleteMagicLinkExpired() |
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{ |
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$query = MagicLink::where(function ($query) { |
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$query |
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->where('available_at', '<', Carbon::now()) |
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->orWhere(function ($query) { |
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$query |
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->whereNotNull('max_visits') |
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->whereRaw('max_visits <= num_visits'); |
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}); |
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}); |
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if (config('magiclink.delete_massive', true)) { |
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$query->delete(); |
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return; |
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} |
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$query->get()->each(function (MagicLink $magiclink) { |
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$magiclink->delete(); |
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event(new MagicLinkWasDeleted($magiclink)); |
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}); |
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} |
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/** |
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* Delete all MagicLink. |
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* |
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* @return void |
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*/ |
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public static function deleteAllMagicLink() |
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{ |
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static::truncate(); |
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} |
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} |
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