Add a dummy extension

passextension/ActionViewController.swift

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+//
+//  ActionViewController.swift
+//  passforiosextension
+//
+//  Created by Yishi Lin on 9/6/17.
+//  Copyright © 2017 Yishi Lin. All rights reserved.
+//
+
+import UIKit
+import MobileCoreServices
+
+class ActionViewController: UIViewController {
+
+    @IBOutlet weak var textView: UITextView!
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        let item = extensionContext?.inputItems.first as! NSExtensionItem
+        let provider = item.attachments?.first as! NSItemProvider
+        let propertyList = String(kUTTypePropertyList)
+        if provider.hasItemConformingToTypeIdentifier(propertyList) {
+            provider.loadItem(forTypeIdentifier: propertyList, options: nil, completionHandler: { (item, error) -> Void in
+                let dictionary = item as! NSDictionary
+                let results = dictionary[NSExtensionJavaScriptPreprocessingResultsKey] as! NSDictionary
+                let url = results["url"] as? String
+                DispatchQueue.main.async { [weak self] in
+                    self?.textView.text = url
+                }
+            })
+        } else {
+            print("error")
+        }
+    }
+
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+        // Dispose of any resources that can be recreated.
+    }
+
+    @IBAction func done() {
+        // Return any edited content to the host app.
+        // This template doesn't do anything, so we just echo the passed in items.
+        self.extensionContext!.completeRequest(returningItems: self.extensionContext!.inputItems, completionHandler: nil)
+    }
+
+}

passextension/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "57x57",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-57x57@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "57x57",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-57x57@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "50x50",
+      "idiom" : "ipad",
+      "filename" : "Icon-Small-50x50@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "50x50",
+      "idiom" : "ipad",
+      "filename" : "Icon-Small-50x50@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "72x72",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-72x72@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "72x72",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-72x72@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

passextension/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

passextension/Base.lproj/MainInterface.storyboard

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+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12120" systemVersion="16F73" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="ObA-dk-sSI">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12088"/>
+        <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Image-->
+        <scene sceneID="7MM-of-jgj">
+            <objects>
+                <viewController title="Image" id="ObA-dk-sSI" customClass="ActionViewController" customModule="passforiosextension" customModuleProvider="target" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="qkL-Od-lgU"/>
+                        <viewControllerLayoutGuide type="bottom" id="n38-gi-rB5"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="zMn-AG-sqS">
+                        <rect key="frame" x="0.0" y="0.0" width="320" height="528"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <navigationBar contentMode="scaleToFill" horizontalCompressionResistancePriority="751" verticalCompressionResistancePriority="751" translatesAutoresizingMaskIntoConstraints="NO" id="NOA-Dm-cuz">
+                                <rect key="frame" x="0.0" y="20" width="320" height="44"/>
+                                <items>
+                                    <navigationItem id="3HJ-uW-3hn">
+                                        <barButtonItem key="leftBarButtonItem" title="Done" style="done" id="WYi-yp-eM6">
+                                            <connections>
+                                                <action selector="done" destination="ObA-dk-sSI" id="Qdu-qn-U6V"/>
+                                            </connections>
+                                        </barButtonItem>
+                                    </navigationItem>
+                                </items>
+                            </navigationBar>
+                            <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="u5o-K8-g5U">
+                                <rect key="frame" x="-1" y="65" width="321" height="475"/>
+                                <subviews>
+                                    <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" textAlignment="natural" translatesAutoresizingMaskIntoConstraints="NO" id="peP-Jp-a8V">
+                                        <rect key="frame" x="0.0" y="0.0" width="321" height="475"/>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                        <textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
+                                    </textView>
+                                </subviews>
+                            </stackView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstAttribute="trailing" secondItem="NOA-Dm-cuz" secondAttribute="trailing" id="CYi-pr-D4X"/>
+                            <constraint firstAttribute="bottomMargin" secondItem="u5o-K8-g5U" secondAttribute="bottom" constant="-12" id="EGo-kB-UQG"/>
+                            <constraint firstItem="u5o-K8-g5U" firstAttribute="top" secondItem="NOA-Dm-cuz" secondAttribute="bottom" constant="1" id="J3X-vA-TPK"/>
+                            <constraint firstItem="NOA-Dm-cuz" firstAttribute="leading" secondItem="zMn-AG-sqS" secondAttribute="leading" id="R0e-Kc-GVB"/>
+                            <constraint firstItem="NOA-Dm-cuz" firstAttribute="trailing" secondItem="u5o-K8-g5U" secondAttribute="trailing" id="VaJ-DV-Tey"/>
+                            <constraint firstItem="NOA-Dm-cuz" firstAttribute="centerX" secondItem="u5o-K8-g5U" secondAttribute="centerX" id="dnq-vI-xsK"/>
+                            <constraint firstItem="NOA-Dm-cuz" firstAttribute="top" secondItem="qkL-Od-lgU" secondAttribute="bottom" id="fBd-hr-D9Y"/>
+                        </constraints>
+                    </view>
+                    <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+                    <size key="freeformSize" width="320" height="528"/>
+                    <connections>
+                        <outlet property="textView" destination="peP-Jp-a8V" id="dJI-bE-Kcr"/>
+                        <outlet property="view" destination="zMn-AG-sqS" id="Qma-de-2ek"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="X47-rx-isc" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="137.59999999999999" y="99.850074962518747"/>
+        </scene>
+    </scenes>
+</document>

passextension/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Pass</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>XPC!</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>NSExtensionActivationRule</key>
+			<dict>
+				<key>NSExtensionActivationSupportsText</key>
+				<true/>
+				<key>NSExtensionActivationSupportsWebPageWithMaxCount</key>
+				<integer>100</integer>
+			</dict>
+			<key>NSExtensionJavaScriptPreprocessingFile</key>
+			<string>passProcessor</string>
+		</dict>
+		<key>NSExtensionMainStoryboard</key>
+		<string>MainInterface</string>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.ui-services</string>
+	</dict>
+</dict>
+</plist>

passextension/passProcessor.js

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+var PassProcessor = function() {};
+
+PassProcessor.prototype = {
+run: function(arguments) {
+    var url
+    var html
+    var error
+    try {
+        url = document.URL;
+        html = document.body.innerHTML
+    } catch (e) {
+        error = e
+    } finally {
+        arguments.completionFunction({"url": url, "html": html, "error": error});
+    }
+},
+    
+finalize: function(arguments) {
+    var str = "username: " + arguments["username"] + "\r\npassword: " + arguments["password"];
+    alert(str)
+    // document.body.innerHTML = arguments["content"];
+}
+};
+
+// The JavaScript file must contain a global object named "ExtensionPreprocessingJS".
+var ExtensionPreprocessingJS = new PassProcessor;

passextension/passextension.entitlements

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.me.mssun.passforios</string>
+	</array>
+</dict>
+</plist>