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README.md

Storage πŸ—„

Swift Version Vapor Version Circle CI codebeat badge codecov Readme Score GitHub license

A package to ease the use of multiple storage and CDN services.

Table of Contents

πŸ“¦ Installation

Add Storage to the package dependencies (in your Package.swift file):

dependencies: [
    ...,
    .package(url: "https://github.com/nodes-vapor/storage.git", from: "1.0.0")
]

as well as to your target (e.g. "App"):

targets: [
    ...
    .target(
        name: "App",
        dependencies: [... "Storage" ...]
    ),
    ...
]

Getting started πŸš€

Storage makes it easy to start uploading and downloading files. Just register a network driver and get going.

Upload a file 🌐

There are a few different interfaces for uploading a file, the simplest being the following:

Storage.upload(
    bytes: [UInt8],
    fileName: String?,
    fileExtension: String?,
    mime: String?,
    folder: String,
    on container: Container 
) throws -> String

The aforementioned function will attempt to upload the file using your selected driver and template and will return a String representing the location of the file.

If you want to upload an image named profile.png your call site would look like:

try Storage.upload(
    bytes: bytes,
    fileName: "profile.png",
    on: req
)

Base64 and data URI πŸ“‘

Is your file a base64 or data URI? No problem!

Storage.upload(base64: "SGVsbG8sIFdvcmxkIQ==", fileName: "base64.txt", on: req)
Storage.upload(dataURI: "data:,Hello%2C%20World!", fileName: "data-uri.txt", on: req)

Remote resources

Download an asset from a URL and then reupload it to your storage server.

Storage.upload(url: "http://mysite.com/myimage.png", fileName: "profile.png", on: req)

Download a file βœ…

To download a file that was previously uploaded you simply use the generated path.

// download image as `Foundation.Data`
let data = try Storage.get("/images/profile.png", on: req)

Get CDN path

In order to use the CDN path convenience, you'll have to set the CDN base url on Storage, e.g. in your configure.swift file:

Storage.cdnBaseURL = "https://cdn.vapor.cloud"

Here is how you generate the CDN path to a given asset.

let cdnPath = try Storage.getCDNPath(for: path)

If your CDN path is more involved than cdnUrl + path, you can build out Storage's optional completionhandler to override the default functionality.

Storage.cdnPathBuilder = { baseURL, path in
    let joinedPath = (baseURL + path)
    return joinedPath.replacingOccurrences(of: "/images/original/", with: "/image/")
}

Delete a file ❌

Deleting a file can be done as follows.

try Storage.delete("/images/profile.png")

Configuration βš™

Storage has a variety of configurable options.

Network driver πŸ”¨

The network driver is the module responsible for interacting with your 3rd party service. The default, and currently the only, driver is s3.

import Storage

let driver = try S3Driver(
    bucket: "bucket", 
    accessKey: "access",
    secretKey: "secret"
)

services.register(driver, as: NetworkDriver.self)

bucket, accessKeyand secretKey are required by the S3 driver, while template, host and region are optional. region will default to eu-west-1 and host will default to s3.amazonaws.com.

Upload path πŸ›£

A times, you may need to upload files to a different scheme than /file.ext. You can achieve this by passing in the pathTemplate parameter when creating the S3Driver. If the parameter is omitted it will default to /#file.

The following template will upload profile.png from the folder images to /myapp/images/profile.png

let driver = try S3Driver(
    bucket: "mybucket",
    accessKey: "myaccesskey",
    secretKey: "mysecretkey",
    pathTemplate: "/myapp/#folder/#file"
)
Aliases

Aliases are special keys in your template that will be replaced with dynamic information at the time of upload.

Note: if you use an alias and the information wasn't provided at the file upload's callsite, Storage will throw a missingX/malformedX error.

#file: The file's name and extension.

File: "test.png"
Returns: test.png

#fileName: The file's name.

File: "test.png"
Returns: test

#fileExtension: The file's extension.

File: "test.png"
Returns: png

#folder: The provided folder.

File: "uploads/test.png"
Returns: uploads

#mime: The file's content type.

File: "test.png"
Returns: image/png

#mimeFolder: A folder generated according to the file's mime.

This alias will check the file's mime and if it's an image, it will return images/original else it will return data

File: "test.png"
Returns: images/original

#day: The current day.

File: "test.png"
Date: 12/12/2012
Returns: 12

#month: The current month.

File: "test.png"
Date: 12/12/2012
Returns: 12

#year: The current year.

File: "test.png"
Date: 12/12/2012
Returns: 2012

#timestamp: The time of upload.

File: "test.png"
Time: 17:05:00
Returns: 17:05:00

#uuid: A generated UUID.

File: "test.png"
Returns: 123e4567-e89b-12d3-a456-426655440000

πŸ† Credits

This package is developed and maintained by the Vapor team at Nodes.

πŸ“„ License

This package is open-sourced software licensed under the MIT license

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