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SourcePointUSA/ios-cmp-app
The Plug&Play Consent Management Tool for iOS
.package(url: "https://github.com/SourcePointUSA/ios-cmp-app.git", from: "V3.0.0")

Swift

How to install

CocoaPods

In your Podfile add the following line to your app target:

pod 'ConsentViewController', '6.1.5'

Carthage

We also support Carthage. It requires a couple more steps to install so we dedicated a whole wiki page for it. Let us know if we missed any step.

Swift Package Manager

We also support Swift Package Manager. It is a tool for automating the distribution of Swift code and is integrated into the swift compiler. It is in early development, but SourcePoint does support its use on iOS platform.

To add our SDK package as dependency to your Xcode project, In Xcode select File > Swift Packages > Add Package Dependency and enter our SDK repository URL.

Manually add XCFramework

If you prefer not to use any of the dependency managers. You can add ConsentViewController.xcframework as a library to your project or workspace.

  1. Download the latest code version.
  2. Open your project in Xcode, select your target and go to the General tab. In the Frameworks, Libraries, and Embedded Content section. drag and drop ConsentViewController.xcframework from downloaded project XCFramework folder.
https://github.com/SourcePointUSA/ios-cmp-app.git

How to use it

It's pretty simple, here are 5 easy steps for you:

  1. implement the SPDelegate protocol
  2. instantiate the SPConsentManager with your Account ID, property name, campaigns and an instance of SPDelegate
  3. call .loadMessage()
  4. present the controller when the message is ready to be displayed (onSPUIReady).
  5. profit!

Swift

import ConsentViewController

class ViewController: UIViewController {
    @IBAction func onClearConsentTap(_ sender: Any) {
        SPConsentManager.clearAllData()
    }

    @IBAction func onGDPRPrivacyManagerTap(_ sender: Any) {
        consentManager.loadGDPRPrivacyManager(withId: "13111", tab: .Features)
    }

    @IBAction func onCCPAPrivacyManagerTap(_ sender: Any) {
        consentManager.loadCCPAPrivacyManager(withId: "14967")
    }

    lazy var consentManager: SPConsentManager = { SPConsentManager(
        accountId: 22,
        propertyName: try! SPPropertyName("mobile.multicampaign.demo"),
        campaignsEnv: .Public // optional - Public by default
        campaigns: SPCampaigns(
            gdpr: SPCampaign(), // optional
            ccpa: SPCampaign(), // optional
            ios14: SPCampaign() // optional
        ),
        delegate: self
    )}()

    override func viewDidLoad() {
        super.viewDidLoad()
        consentManager.loadMessage()
    }
}

extension ViewController: SPDelegate {
    func onSPUIReady(_ controller: SPMessageViewController) {
        controller.modalPresentationStyle = .overFullScreen
        present(controller, animated: true)
    }

    func onAction(_ action: SPAction, from controller: SPMessageViewController) {
        print(action)
    }

    func onSPUIFinished(_ controller: SPMessageViewController) {
        dismiss(animated: true)
    }

    func onConsentReady(userData: SPUserData) {
        print("onConsentReady:", consents)
    }

    func onError(error: SPError) {
        print("Something went wrong: ", error)
    }
}

Objective-C


#import "ViewController.h"
@import ConsentViewController;

@interface ViewController ()<SPDelegate> {
    SPConsentManager *consentManager;
}
@end

@implementation ViewController

    - (void)viewDidLoad {
        [super viewDidLoad];

SPPropertyName *propertyName = [[SPPropertyName alloc] init:@"mobile.multicampaign.demo" error:NULL];

SPCampaign *campaign = [[SPCampaign alloc] initWithTargetingParams: [NSDictionary dictionary]];

SPCampaigns *campaigns = [[SPCampaigns alloc]
    initWithGdpr: campaign
    ccpa: campaign
    ios14: campaign];

consentManager = [[SPConsentManager alloc]
    initWithAccountId:22
    propertyName: propertyName
    campaignsEnv: SPCampaignEnvPublic
    campaigns: campaigns
    delegate: self];

[consentManager loadMessageForAuthId: NULL];
    }

    - (void)onSPUIReady:(SPMessageViewController * _Nonnull)controller {
        [self presentViewController:controller animated:true completion:NULL];
    }

    - (void)onAction:(SPAction * _Nonnull)action from:(SPMessageViewController * _Nonnull)controller {
        NSLog(@"onAction: %@", action);
    }

    - (void)onSPUIFinished:(SPMessageViewController * _Nonnull)controller {
        [self dismissViewControllerAnimated:true completion:nil];
    }

    - (void)onConsentReadyWithConsents:(SPUserData *)userData {
        NSLog(@"onConsentReady");
        NSLog(@"GDPR Applies: %d", userData.objcGDPRApplies);
        NSLog(@"GDPR: %@", userData.objcGDPRConsents);
        NSLog(@"CCPA Applies: %d", userData.objcCCPAApplies);
        NSLog(@"CCPA: %@", userData.objcCCPAConsents);
    }
@end

Loading the Privacy Manager on demand

You can load the Privacy Manager (that UI with the toggles) any time, programatically, by calling either

  • .loadGDPRPrivacyManager(withId: String, tab: SPPrivacyManagerTab = .Default) or
  • .loadCCPAPrivacyManager(withId: String, tab: SPPrivacyManagerTab = .Default)

The SDK will follow the same exact same lifecycle as with the 1st layer consent message. First calling the delegate method onSPUIReady when the PM is ready, onAction when the user takes an action, onSPUIFinished when the PM is ready to be removed from the View stack and, finally, onConsentReady once the SDK receives the consent data back from the server.

What happens in case of an error?

The SDK will in all cases wrap the error in one of the SPError class and eventually call the func onError(_ error: SPError) callback. By default, the SDK will also remove all consent data from the device. This may cause a consent message to be shown again, depending on your scenario. This was implemented on purpose to be the most safe possible. Since there are no consents data, vendors should refrain from performing logic that depend on it. This behaviour can be opted-out by setting the flag consentManager.cleanUserDataOnError to false, after you initialise SPConsentManager.

Programatically consenting an user

It's possible to programatically consent the current user to a list of custom vendors, categories and legitimate interest caregories with the method:

func customConsentToGDPR(
    vendors: [String],
    categories: [String],
    legIntCategories: [String],
    handler: @escaping (SPGDPRConsent) -> Void
)

The vendor grants will be re-generated, this time taking into consideration the list of vendors, categories and legitimate interest categories you pass as parameters. The method is asynchronous so you must pass a completion handler that will receive back an instance of SPGDPRConsent in case of success or it'll call the delegate method onError in case of failure.

It's important to notice, this method is intended to be used for custom vendors and purposes only. For IAB vendors and purposes, it's still required to get consent via the consent message or privacy manager.

Authenticated Consent

In order to use the authenticated consent all you need to do is replace .loadMessage() with .loadMessage(forAuthId: String). Example:

consentManager.loadMessage(forAuthId: "JohnDoe")

In Obj-C that'd be:

[consentManager loadMessage forAuthId: @"JohnDoe"]

This way, if we already have consent for that token ("JohDoe") we'll bring the consent profile from the server, overwriting whatever was stored in the device. More about the authId below.

Sharing consent with a WKWebView

let webview = WKWebView()
webview.setConsentFor(authId: String)
webview.load(URLRequest)

The authId:

This feature makes use of what we call Authenticated Consent. In a nutshell, you provide an identifier for the current user (username, user id, uuid or any unique string) and we'll take care of associating the consent profile to that identifier. The authId will then assume 1 of the 3 values below:

  1. User is authenticated and have an id: In that case the authId is going to be that user id.
  2. User is not authenticated and I'm only interested in using consent in this app. We recommend using a randomly generated UUID as authId. Make sure to persist this authId and always call the .loadMessage(forAuthId: String)
  3. User is not authenticated and I want the consent to be shared across apps I controll. In this case, you'll need an identifier that is guaranteed to be the same across apps you control. That's exactly what the IDFV (Identifier for Vendor) is for. You don't need to store this id as it remains the same across app launches.

Example

// let authId = // my user id
// let authId = // stored uuid || UUID().uuidString
let authId = UIDevice().identifierForVendor
consentManager.loadMessage(forAuthId: myAuthId)

// after the `onConsentReady` is called
myWebView.setConsentFor(authId: authid)
myWebView.load(urlRequest)

A few remarks:

  1. The web content being loaded (web property) needs to share the same vendor list as the app.
  2. The vendor list's consent scope needs to be set to Shared Site instead of Single Site

Overwriting default language

By default, the SDK will instruct the message to render itself using the locale defined by the WKWebView. If you wish to overwrite this behaviour and force a message to be displayed in a certain language, you need to set the .messageLanguage attribute of the SPConsentManager before calling .loadMessage() / .loadPrivacyManager().

consentManager.messageLanguage = .German
consentManager.loadMessage()

In Obj-C that'd be:

consentManager.messageLanguage = SPMessageLanguageGerman;
[consentManager loadMessage];

It's important to notice that if any of the components of the message doesn't have a translation for that language, the component will be rendered in english as a fallback.

Loading Stage campaigns

SPConsentManager's constructor accepts an optional parameter called campaignsEnv: SPCampaignEnv. This parameter, when omitted will be .Public by default. Currently, we don't support loading campaigns of different environments. In other words, you can only load all Stage or Public campaigns.

Setting Targeting Parameters

Targeting params are a set of key/value pairs passed to the scenario. In the scenario you're able to conditionaly show a message or another based on those values. You can set targeting params individiually per campaign like so:

let myCampaign = SPCampaign(targetingParams: ["foo": "bar"])

In Obj-C that'd be:

SPCampaign *myCampaign = [[SPCampaign alloc]
    initWithTargetingParams: [[NSDictionary alloc] initWithObjectsAndKeys:@"value1", @"key1"]
];

Configuring the Message/Consents timeout

Before calling .loadMessage or .loadPrivacyManager, set the .messageTimeoutInSeconds attribute to a time interval that makes most sense for your own application. By default, we set it to 30 seconds.

In case of a timeout error, the onError callback will be called and the consent flow will stop there.

pubData

When the user takes an action within the consent UI, it's possible to attach an arbitrary payload to the action data an have it sent to our endpoints. For more information on how to do that check our wiki: Sending arbitrary data when the user takes an action

Rendering the message natively

Have a look at this neat wiki we put together.

App Tracking Transparency

To display the App Tracking Transparency authorization request for accessing the IDFA, update your Info.plist  to add the NSUserTrackingUsageDescription key with a custom message describing your usage. Here is an example description text:

<key>NSUserTrackingUsageDescription</key>
<string>This identifier will be used to deliver personalized ads to you.</string>

App Tracking

Frequently Asked Questions

1. How big is the SDK?

The SDK is pretty slim, there are no assets, no dependencies, just pure code. Since we use Swift, its size will vary depending on the configuration of your project but it should not exceed 2 MB.

2. What's the lowest iOS version supported?

iOS 10 onwards.

3. What if IDFA is not supported (iOS < 14)

We encapsulate the IDFA status in our own enum called SPIDFAstatus. In case the SDK is running on an iOS version that does not support IDFA, the status will be unavailable. Otherwise, it'll assume one of the 3 values:

  • unknown: User has never been prompted to accept/reject tracking (the native iOS ATT prompt).
  • accepted: User accepted the ATT prompt, giving your app access to the IDFA.
  • rejected: User rejected the ATT prompt, denyinh your app access to the IDFA.

We'll update this list over time, if you have any questions feel free to open an issue or concact your SourcePoint account manager.

GitHub

link
Stars: 9
Last commit: Yesterday

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

Release Notes

6.1.5
5 days ago

6.1.5 (July, 23, 2021)

  • Expanded SPSDK protocol to contain all public method/attributes of the SDK. Adding the following:
    • VERSION: String
    • clearAllData()
    • cleanUserDataOnError: Bool
    • messageTimeoutInSeconds: TimeInterval
    • privacyManagerTab: SPPrivacyManagerTab
    • messageLanguage: SPMessageLanguage
  • Added AppleTV native Privacy Manager message flow.

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API