From 1807ecee4c28896e7d902a64e12d124236eff175 Mon Sep 17 00:00:00 2001
From: HyunWoo Lee <l2hyunwoo@gmail.com>
Date: Sat, 26 Oct 2024 07:15:37 +0900
Subject: [PATCH] =?UTF-8?q?[feature/#946]=20WebView=EC=97=90=20=EC=82=AC?=
 =?UTF-8?q?=EC=A7=84=20=EB=8B=A4=EC=9A=B4=EB=A1=9C=EB=93=9C=20=EA=B8=B0?=
 =?UTF-8?q?=EB=8A=A5=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/AndroidManifest.xml              |  5 ++-
 .../official/webview/view/WebViewActivity.kt  | 42 +++++++++++++++++++
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0533c2d0..63eb2365 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
     MIT License
 
     Copyright (c) 2022-2024 SOPT Makers
@@ -28,6 +27,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <queries>
         <package android:name="com.android.chrome" />
@@ -41,6 +41,7 @@
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.SOPT"
diff --git a/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt b/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
index 700bbd87..249bd63d 100644
--- a/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
+++ b/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
@@ -25,9 +25,13 @@
 package org.sopt.official.webview.view
 
 import android.app.Activity
+import android.app.DownloadManager
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
+import android.os.Environment
+import android.webkit.CookieManager
+import android.webkit.URLUtil
 import android.webkit.ValueCallback
 import android.webkit.WebChromeClient
 import android.webkit.WebView
@@ -35,10 +39,14 @@ import androidx.activity.addCallback
 import androidx.activity.result.PickVisualMediaRequest
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import androidx.core.content.getSystemService
 import com.airbnb.deeplinkdispatch.DeepLink
 import dagger.hilt.android.AndroidEntryPoint
 import org.sopt.official.common.util.viewBinding
+import org.sopt.official.common.view.toast
 import org.sopt.official.webview.databinding.ActivityWebViewBinding
+import java.net.URLDecoder
 
 @AndroidEntryPoint
 @DeepLink("sopt://web")
@@ -55,6 +63,13 @@ class WebViewActivity : AppCompatActivity() {
             filePathCallback = null
         }
     }
+    private val permissionRequestLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { isGranted ->
+        if (!isGranted) {
+            toast("권한을 받아오지 못했습니다.")
+        }
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -75,6 +90,33 @@ class WebViewActivity : AppCompatActivity() {
                 return true
             }
         }
+        binding.webView.setDownloadListener { url, userAgent, contentDisposition, mimetype, _ ->
+            if (ContextCompat.checkSelfPermission(
+                    this,
+                    android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+                ) == android.content.pm.PackageManager.PERMISSION_GRANTED
+            ) {
+
+                val fileName = URLUtil.guessFileName(url, URLDecoder.decode(contentDisposition, "utf-8"), mimetype)
+                val downloadManager = getSystemService<DownloadManager>() ?: return@setDownloadListener
+                val request = DownloadManager.Request(Uri.parse(url))
+                    .setMimeType(mimetype)
+                    .addRequestHeader("Cookie", CookieManager.getInstance().getCookie(url))
+                    .addRequestHeader("User-Agent", userAgent)
+                    .setTitle(fileName)
+                    .apply {
+                        allowScanningByMediaScanner()
+                        setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+                        setDestinationInExternalPublicDir(
+                            Environment.DIRECTORY_DOWNLOADS,
+                            fileName
+                        )
+                    }
+                downloadManager.enqueue(request)
+            } else {
+                permissionRequestLauncher.launch(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
+            }
+        }
         handleLinkUrl()
         handleOnBackPressed()
         handleOnPullToRefresh()