mirror of
https://github.com/firebase/firebase-ios-sdk
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314 lines
13 KiB
Objective-C
314 lines
13 KiB
Objective-C
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#import "FIRStorage.h"
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#import "FIRStorageConstants.h"
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#import "FIRStorageDownloadTask.h"
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#import "FIRStorageListResult.h"
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#import "FIRStorageMetadata.h"
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#import "FIRStorageTask.h"
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#import "FIRStorageUploadTask.h"
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NS_ASSUME_NONNULL_BEGIN
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/**
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* FIRStorageReference represents a reference to a Google Cloud Storage object. Developers can
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* upload and download objects, as well as get/set object metadata, and delete an object at the
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* path.
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* @see https://cloud.google.com/storage/
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*/
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NS_SWIFT_NAME(StorageReference)
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@interface FIRStorageReference : NSObject
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/**
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* The FIRStorage service object which created this reference.
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*/
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@property(nonatomic, readonly) FIRStorage *storage;
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/**
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* The name of the Google Cloud Storage bucket associated with this reference,
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* in gs://bucket/path/to/object.txt, the bucket would be: 'bucket'
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*/
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@property(nonatomic, readonly) NSString *bucket;
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/**
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* The full path to this object, not including the Google Cloud Storage bucket.
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* In gs://bucket/path/to/object.txt, the full path would be: 'path/to/object.txt'
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*/
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@property(nonatomic, readonly) NSString *fullPath;
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/**
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* The short name of the object associated with this reference,
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* in gs://bucket/path/to/object.txt, the name of the object would be: 'object.txt'
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*/
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@property(nonatomic, readonly) NSString *name;
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#pragma mark - Path Operations
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/**
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* Creates a new FIRStorageReference pointing to the root object.
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* @return A new FIRStorageReference pointing to the root object.
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*/
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- (FIRStorageReference *)root;
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/**
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* Creates a new FIRStorageReference pointing to the parent of the current reference
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* or nil if this instance references the root location.
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* For example:
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* path = foo/bar/baz parent = foo/bar
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* path = foo parent = (root)
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* path = (root) parent = nil
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* @return A new FIRStorageReference pointing to the parent of the current reference.
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*/
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- (nullable FIRStorageReference *)parent;
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/**
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* Creates a new FIRStorageReference pointing to a child object of the current reference.
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* path = foo child = bar newPath = foo/bar
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* path = foo/bar child = baz newPath = foo/bar/baz
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* All leading and trailing slashes will be removed, and consecutive slashes will be
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* compressed to single slashes. For example:
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* child = /foo/bar newPath = foo/bar
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* child = foo/bar/ newPath = foo/bar
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* child = foo///bar newPath = foo/bar
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* @param path Path to append to the current path.
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* @return A new FIRStorageReference pointing to a child location of the current reference.
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*/
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- (FIRStorageReference *)child:(NSString *)path;
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#pragma mark - Uploads
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/**
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* Asynchronously uploads data to the currently specified FIRStorageReference,
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* without additional metadata.
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* This is not recommended for large files, and one should instead upload a file from disk.
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* @param uploadData The NSData to upload.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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- (FIRStorageUploadTask *)putData:(NSData *)uploadData NS_SWIFT_NAME(putData(_:));
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/**
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* Asynchronously uploads data to the currently specified FIRStorageReference.
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* This is not recommended for large files, and one should instead upload a file from disk.
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* @param uploadData The NSData to upload.
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* @param metadata FIRStorageMetadata containing additional information (MIME type, etc.)
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* about the object being uploaded.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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// clang-format off
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- (FIRStorageUploadTask *)putData:(NSData *)uploadData
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metadata:(nullable FIRStorageMetadata *)metadata
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NS_SWIFT_NAME(putData(_:metadata:));
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// clang-format on
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/**
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* Asynchronously uploads data to the currently specified FIRStorageReference.
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* This is not recommended for large files, and one should instead upload a file from disk.
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* @param uploadData The NSData to upload.
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* @param metadata FIRStorageMetadata containing additional information (MIME type, etc.)
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* about the object being uploaded.
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* @param completion A completion block that either returns the object metadata on success,
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* or an error on failure.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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// clang-format off
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- (FIRStorageUploadTask *)putData:(NSData *)uploadData
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metadata:(nullable FIRStorageMetadata *)metadata
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completion:(nullable void (^)(FIRStorageMetadata *_Nullable metadata,
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NSError *_Nullable error))completion
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NS_SWIFT_NAME(putData(_:metadata:completion:));
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// clang-format on
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/**
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* Asynchronously uploads a file to the currently specified FIRStorageReference,
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* without additional metadata.
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* @param fileURL A URL representing the system file path of the object to be uploaded.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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- (FIRStorageUploadTask *)putFile:(NSURL *)fileURL NS_SWIFT_NAME(putFile(from:));
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/**
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* Asynchronously uploads a file to the currently specified FIRStorageReference.
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* @param fileURL A URL representing the system file path of the object to be uploaded.
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* @param metadata FIRStorageMetadata containing additional information (MIME type, etc.)
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* about the object being uploaded.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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// clang-format off
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- (FIRStorageUploadTask *)putFile:(NSURL *)fileURL
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metadata:(nullable FIRStorageMetadata *)metadata
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NS_SWIFT_NAME(putFile(from:metadata:));
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// clang-format on
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/**
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* Asynchronously uploads a file to the currently specified FIRStorageReference.
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* @param fileURL A URL representing the system file path of the object to be uploaded.
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* @param metadata FIRStorageMetadata containing additional information (MIME type, etc.)
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* about the object being uploaded.
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* @param completion A completion block that either returns the object metadata on success,
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* or an error on failure.
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* @return An instance of FIRStorageUploadTask, which can be used to monitor or manage the upload.
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*/
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// clang-format off
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- (FIRStorageUploadTask *)putFile:(NSURL *)fileURL
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metadata:(nullable FIRStorageMetadata *)metadata
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completion:(nullable void (^)(FIRStorageMetadata *_Nullable metadata,
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NSError *_Nullable error))completion
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NS_SWIFT_NAME(putFile(from:metadata:completion:));
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// clang-format on
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#pragma mark - Downloads
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/**
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* Asynchronously downloads the object at the FIRStorageReference to an NSData object in memory.
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* An NSData of the provided max size will be allocated, so ensure that the device has enough free
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* memory to complete the download. For downloading large files, writeToFile may be a better option.
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* @param size The maximum size in bytes to download. If the download exceeds this size
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* the task will be cancelled and an error will be returned.
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* @param completion A completion block that either returns the object data on success,
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* or an error on failure.
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* @return An FIRStorageDownloadTask that can be used to monitor or manage the download.
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*/
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// clang-format off
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- (FIRStorageDownloadTask *)dataWithMaxSize:(int64_t)size
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completion:(void (^)(NSData *_Nullable data,
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NSError *_Nullable error))completion
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NS_SWIFT_NAME(getData(maxSize:completion:));
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// clang-format on
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/**
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* Asynchronously retrieves a long lived download URL with a revokable token.
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* This can be used to share the file with others, but can be revoked by a developer
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* in the Firebase Console if desired.
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* @param completion A completion block that either returns the URL on success,
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* or an error on failure.
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*/
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- (void)downloadURLWithCompletion:(void (^)(NSURL *_Nullable URL,
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NSError *_Nullable error))completion;
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/**
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* Asynchronously downloads the object at the current path to a specified system filepath.
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* @param fileURL A file system URL representing the path the object should be downloaded to.
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* @return An FIRStorageDownloadTask that can be used to monitor or manage the download.
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*/
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- (FIRStorageDownloadTask *)writeToFile:(NSURL *)fileURL;
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/**
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* Asynchronously downloads the object at the current path to a specified system filepath.
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* @param fileURL A file system URL representing the path the object should be downloaded to.
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* @param completion A completion block that fires when the file download completes.
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* Returns an NSURL pointing to the file path of the downloaded file on success,
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* or an error on failure.
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* @return An FIRStorageDownloadTask that can be used to monitor or manage the download.
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*/
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- (FIRStorageDownloadTask *)writeToFile:(NSURL *)fileURL
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completion:(nullable void (^)(NSURL *_Nullable URL,
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NSError *_Nullable error))completion;
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#pragma mark - List Support
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/**
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* List all items (files) and prefixes (folders) under this StorageReference.
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*
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* This is a helper method for calling list() repeatedly until there are no more results.
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* Consistency of the result is not guaranteed if objects are inserted or removed while this
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* operation is executing. All results are buffered in memory.
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*
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* `listAll(completion:)` is only available for projects using Firebase Rules Version 2.
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*
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* @param completion A completion handler that will be invoked with all items and prefixes under
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* the current StorageReference.
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*/
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- (void)listAllWithCompletion:(void (^)(FIRStorageListResult *result,
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NSError *_Nullable error))completion;
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/**
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* List up to `maxResults` items (files) and prefixes (folders) under this StorageReference.
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*
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* "/" is treated as a path delimiter. Firebase Storage does not support unsupported object
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* paths that end with "/" or contain two consecutive "/"s. All invalid objects in GCS will be
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* filtered.
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*
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* `list(maxResults:completion:)` is only available for projects using Firebase Rules Version 2.
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*
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* @param maxResults The maximum number of results to return in a single page. Must be greater
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* than 0 and at most 1000.
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* @param completion A completion handler that will be invoked with up to maxResults items and
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* prefixes under the current StorageReference.
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*/
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- (void)listWithMaxResults:(int64_t)maxResults
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completion:
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(void (^)(FIRStorageListResult *result, NSError *_Nullable error))completion;
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/**
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* Resumes a previous call to list(maxResults:completion:)`, starting after a pagination token.
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* Returns the next set of items (files) and prefixes (folders) under this StorageReference.
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*
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* "/" is treated as a path delimiter. Firebase Storage does not support unsupported object
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* paths that end with "/" or contain two consecutive "/"s. All invalid objects in GCS will be
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* filtered.
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*
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* `list(maxResults:pageToken:completion:)`is only available for projects using Firebase Rules
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* Version 2.
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*
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* @param maxResults The maximum number of results to return in a single page. Must be greater
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* than 0 and at most 1000.
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* @param pageToken A page token from a previous call to list.
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* @param completion A completion handler that will be invoked with the next items and prefixes
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* under the current StorageReference.
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*/
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- (void)listWithMaxResults:(int64_t)maxResults
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pageToken:(NSString *)pageToken
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completion:
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(void (^)(FIRStorageListResult *result, NSError *_Nullable error))completion;
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#pragma mark - Metadata Operations
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/**
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* Retrieves metadata associated with an object at the current path.
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* @param completion A completion block which returns the object metadata on success,
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* or an error on failure.
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*/
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- (void)metadataWithCompletion:
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(void (^)(FIRStorageMetadata *_Nullable metadata, NSError *_Nullable error))completion
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NS_SWIFT_NAME(getMetadata(completion:));
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/**
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* Updates the metadata associated with an object at the current path.
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* @param metadata An FIRStorageMetadata object with the metadata to update.
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* @param completion A completion block which returns the FIRStorageMetadata on success,
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* or an error on failure.
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*/
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// clang-format off
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- (void)updateMetadata:(FIRStorageMetadata *)metadata
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completion:(nullable void (^)(FIRStorageMetadata *_Nullable metadata,
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NSError *_Nullable error))completion
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NS_SWIFT_NAME(updateMetadata(_:completion:));
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// clang-format on
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#pragma mark - Delete
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/**
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* Deletes the object at the current path.
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* @param completion A completion block which returns nil on success, or an error on failure.
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*/
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- (void)deleteWithCompletion:(nullable void (^)(NSError *_Nullable error))completion;
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@end
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NS_ASSUME_NONNULL_END
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