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Code Issues Releases Wiki Activity

conditions around opening file

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This commit is contained in:
Kyle Spearrin
2017-07-13 09:01:00 -04:00
parent eec4be1845
commit fe5cc1f8f3
22 changed files with 251 additions and 158 deletions
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57
src/Android/Services/DeviceActionService.cs
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@@ -2,11 +2,9 @@
using Android.Content;
using Bit.App.Abstractions;
using Xamarin.Forms;
using Java.IO;
using Android.Webkit;
using Plugin.CurrentActivity;
using System.IO;
using System.Diagnostics;
using Android.Support.V4.Content;
namespace Bit.Android.Services
@@ -21,6 +19,11 @@ namespace Bit.Android.Services
public bool OpenFile(byte[] fileData, string id, string fileName)
{
if(!CanOpenFile(fileName))
{
return false;
}
var extension = MimeTypeMap.GetFileExtensionFromUrl(fileName);
if(extension == null)
{
@@ -35,29 +38,47 @@ namespace Bit.Android.Services
var cachePath = CrossCurrentActivity.Current.Activity.CacheDir;
var filePath = Path.Combine(cachePath.Path, fileName);
System.IO.File.WriteAllBytes(filePath, fileData);
File.WriteAllBytes(filePath, fileData);
var file = new Java.IO.File(cachePath, fileName);
if(!file.IsFile)
{
return false;
}
try
{
var packageManager = CrossCurrentActivity.Current.Activity.PackageManager;
var testIntent = new Intent(Intent.ActionView);
testIntent.SetType(mimeType);
var list = packageManager.QueryIntentActivities(testIntent,
global::Android.Content.PM.PackageInfoFlags.MatchDefaultOnly);
if(list.Count > 0 && file.IsFile)
{
var intent = new Intent(Intent.ActionView);
var uri = FileProvider.GetUriForFile(CrossCurrentActivity.Current.Activity.ApplicationContext,
"com.x8bit.bitwarden.fileprovider", file);
intent.SetDataAndType(uri, mimeType);
intent.SetFlags(ActivityFlags.GrantReadUriPermission);
CrossCurrentActivity.Current.Activity.StartActivity(intent);
return true;
}
var intent = new Intent(Intent.ActionView);
var uri = FileProvider.GetUriForFile(CrossCurrentActivity.Current.Activity.ApplicationContext,
"com.x8bit.bitwarden.fileprovider", file);
intent.SetDataAndType(uri, mimeType);
intent.SetFlags(ActivityFlags.GrantReadUriPermission);
CrossCurrentActivity.Current.Activity.StartActivity(intent);
return true;
}
catch { }
return false;
}
public bool CanOpenFile(string fileName)
{
var extension = MimeTypeMap.GetFileExtensionFromUrl(fileName);
if(extension == null)
{
return false;
}
var mimeType = MimeTypeMap.Singleton.GetMimeTypeFromExtension(extension.ToLower());
if(mimeType == null)
{
return false;
}
var pm = CrossCurrentActivity.Current.Activity.PackageManager;
var intent = new Intent(Intent.ActionView);
intent.SetType(mimeType);
var activities = pm.QueryIntentActivities(intent, global::Android.Content.PM.PackageInfoFlags.MatchDefaultOnly);
return (activities?.Count ?? 0) > 0;
}
}
}