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Android FileProvider Multiple Attachments #112

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Android FileProvider Multiple Attachments #112

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40eb729
Rebase mult-attachment PR
adamski Nov 8, 2017
8023002
Add iOS audio MIME types
adamski Nov 8, 2017
5606d78
Copy files to temp location before sharing on Android
adamski May 15, 2018
3807aec
Merge branch 'master' of github.com:chirag04/react-native-mail
adamski May 15, 2018
475bc75
Switch to FileProvider for file sharing
adamski Jun 8, 2018
d252f93
Update with FileProvider info and Android changes
adamski Jun 9, 2018
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7 changes: 6 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,11 @@ public class MainApplication extends Application implements ReactApplication {

```

#### File Attachments on Android

Addition setup is required for Android file sharing, see https://developer.android.com/training/secure-file-sharing/setup-sharing

It is expected that the `android:authorities` property is set to the app's package name with ".fileprovider" appended to the end.


### Manual Installation: iOS
Expand Down Expand Up @@ -162,7 +167,7 @@ export default class App extends Component {

### Note

On Android, the `callback` will only be called if an `error` occurs. The `event` argument is unused!
On Android, the `callback` will only be called if an `error` occurs. The `event` argument will contain a string with the exception or error message.

## Here is how it looks:
![Demo gif](https://github.com/chirag04/react-native-mail/blob/master/screenshot.png)
125 changes: 64 additions & 61 deletions RNMail/RNMail.m
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Expand Up @@ -41,7 +41,7 @@ + (BOOL)requiresMainQueueSetup
NSString *subject = [RCTConvert NSString:options[@"subject"]];
[mail setSubject:subject];
}

bool *isHTML = NO;

if (options[@"isHTML"]){
Expand All @@ -57,7 +57,7 @@ + (BOOL)requiresMainQueueSetup
NSArray *recipients = [RCTConvert NSArray:options[@"recipients"]];
[mail setToRecipients:recipients];
}

if (options[@"ccRecipients"]){
NSArray *ccRecipients = [RCTConvert NSArray:options[@"ccRecipients"]];
[mail setCcRecipients:ccRecipients];
Expand All @@ -67,67 +67,70 @@ + (BOOL)requiresMainQueueSetup
NSArray *bccRecipients = [RCTConvert NSArray:options[@"bccRecipients"]];
[mail setBccRecipients:bccRecipients];
}

if (options[@"attachment"] && options[@"attachment"][@"path"] && options[@"attachment"][@"type"]){
NSString *attachmentPath = [RCTConvert NSString:options[@"attachment"][@"path"]];
NSString *attachmentType = [RCTConvert NSString:options[@"attachment"][@"type"]];
NSString *attachmentName = [RCTConvert NSString:options[@"attachment"][@"name"]];

// Set default filename if not specificed
if (!attachmentName) {
attachmentName = [[attachmentPath lastPathComponent] stringByDeletingPathExtension];
}

// Get the resource path and read the file using NSData
NSData *fileData = [NSData dataWithContentsOfFile:attachmentPath];

// Determine the MIME type
NSString *mimeType;

/*
* Add additional mime types and PR if necessary. Find the list
* of supported formats at http://www.iana.org/assignments/media-types/media-types.xhtml
*/
if ([attachmentType isEqualToString:@"jpg"]) {
mimeType = @"image/jpeg";
} else if ([attachmentType isEqualToString:@"png"]) {
mimeType = @"image/png";
} else if ([attachmentType isEqualToString:@"doc"]) {
mimeType = @"application/msword";
} else if ([attachmentType isEqualToString:@"ppt"]) {
mimeType = @"application/vnd.ms-powerpoint";
} else if ([attachmentType isEqualToString:@"html"]) {
mimeType = @"text/html";
} else if ([attachmentType isEqualToString:@"csv"]) {
mimeType = @"text/csv";
} else if ([attachmentType isEqualToString:@"pdf"]) {
mimeType = @"application/pdf";
} else if ([attachmentType isEqualToString:@"vcard"]) {
mimeType = @"text/vcard";
} else if ([attachmentType isEqualToString:@"json"]) {
mimeType = @"application/json";
} else if ([attachmentType isEqualToString:@"zip"]) {
mimeType = @"application/zip";
} else if ([attachmentType isEqualToString:@"text"]) {
mimeType = @"text/*";
} else if ([attachmentType isEqualToString:@"mp3"]) {
mimeType = @"audio/mpeg";
} else if ([attachmentType isEqualToString:@"wav"]) {
mimeType = @"audio/wav";
} else if ([attachmentType isEqualToString:@"aiff"]) {
mimeType = @"audio/aiff";
} else if ([attachmentType isEqualToString:@"flac"]) {
mimeType = @"audio/flac";
} else if ([attachmentType isEqualToString:@"ogg"]) {
mimeType = @"audio/ogg";
} else if ([attachmentType isEqualToString:@"xls"]) {
mimeType = @"application/vnd.ms-excel";

if (options[@"attachments"]){
NSArray *attachments = [RCTConvert NSArray:options[@"attachments"]];

for(NSDictionary *attachment in attachments) {
if (attachment[@"path"] && attachment[@"type"]) {
NSString *attachmentPath = [RCTConvert NSString:attachment[@"path"]];
NSString *attachmentType = [RCTConvert NSString:attachment[@"type"]];
NSString *attachmentName = [RCTConvert NSString:attachment[@"name"]];

// Set default filename if not specificed
if (!attachmentName) {
attachmentName = [[attachmentPath lastPathComponent] stringByDeletingPathExtension];
}
// Get the resource path and read the file using NSData
NSData *fileData = [NSData dataWithContentsOfFile:attachmentPath];

// Determine the MIME type
NSString *mimeType;

/*
* Add additional mime types and PR if necessary. Find the list
* of supported formats at http://www.iana.org/assignments/media-types/media-types.xhtml
*/
if ([attachmentType isEqualToString:@"jpg"]) {
mimeType = @"image/jpeg";
} else if ([attachmentType isEqualToString:@"png"]) {
mimeType = @"image/png";
} else if ([attachmentType isEqualToString:@"doc"]) {
mimeType = @"application/msword";
} else if ([attachmentType isEqualToString:@"ppt"]) {
mimeType = @"application/vnd.ms-powerpoint";
} else if ([attachmentType isEqualToString:@"html"]) {
mimeType = @"text/html";
} else if ([attachmentType isEqualToString:@"csv"]) {
mimeType = @"text/csv";
} else if ([attachmentType isEqualToString:@"pdf"]) {
mimeType = @"application/pdf";
} else if ([attachmentType isEqualToString:@"vcard"]) {
mimeType = @"text/vcard";
} else if ([attachmentType isEqualToString:@"json"]) {
mimeType = @"application/json";
} else if ([attachmentType isEqualToString:@"zip"]) {
mimeType = @"application/zip";
} else if ([attachmentType isEqualToString:@"text"]) {
mimeType = @"text/*";
} else if ([attachmentType isEqualToString:@"mp3"]) {
mimeType = @"audio/mpeg";
} else if ([attachmentType isEqualToString:@"wav"]) {
mimeType = @"audio/wav";
} else if ([attachmentType isEqualToString:@"aiff"]) {
mimeType = @"audio/aiff";
} else if ([attachmentType isEqualToString:@"flac"]) {
mimeType = @"audio/flac";
} else if ([attachmentType isEqualToString:@"ogg"]) {
mimeType = @"audio/ogg";
} else if ([attachmentType isEqualToString:@"xls"]) {
mimeType = @"application/vnd.ms-excel";
}
[mail addAttachmentData:fileData mimeType:mimeType fileName:attachmentName];
}
}

// Add attachment
[mail addAttachmentData:fileData mimeType:mimeType fileName:attachmentName];
}

UIViewController *root = [[[[UIApplication sharedApplication] delegate] window] rootViewController];

while (root.presentedViewController) {
Expand Down
104 changes: 78 additions & 26 deletions android/src/main/java/com/chirag/RNMail/RNMailModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,27 @@
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.support.v4.content.FileProvider;
import android.text.Html;
import android.util.Log;

import com.facebook.common.file.FileUtils;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.ReadableMap;

import java.util.List;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;


/**
* NativeModule that allows JS to open emails sending apps chooser.
Expand All @@ -34,12 +44,11 @@ public String getName() {
}

/**
* Converts a ReadableArray to a String array
*
* @param r the ReadableArray instance to convert
*
* @return array of strings
*/
* Converts a ReadableArray to a String array
*
* @param r the ReadableArray instance to convert
* @return array of strings
*/
private String[] readableArrayToStringArray(ReadableArray r) {
int length = r.size();
String[] strArray = new String[length];
Expand All @@ -53,8 +62,8 @@ private String[] readableArrayToStringArray(ReadableArray r) {

@ReactMethod
public void mail(ReadableMap options, Callback callback) {
Intent i = new Intent(Intent.ACTION_SENDTO);
i.setData(Uri.parse("mailto:"));
Intent i = new Intent(Intent.ACTION_SEND_MULTIPLE);
i.setType("message/rfc822");

if (options.hasKey("subject") && !options.isNull("subject")) {
i.putExtra(Intent.EXTRA_SUBJECT, options.getString("subject"));
Expand All @@ -66,13 +75,13 @@ public void mail(ReadableMap options, Callback callback) {
i.putExtra(Intent.EXTRA_TEXT, Html.fromHtml(body));
} else {
i.putExtra(Intent.EXTRA_TEXT, body);
}
}
}

if (options.hasKey("recipients") && !options.isNull("recipients")) {
ReadableArray recipients = options.getArray("recipients");
i.putExtra(Intent.EXTRA_EMAIL, readableArrayToStringArray(recipients));
}
}

if (options.hasKey("ccRecipients") && !options.isNull("ccRecipients")) {
ReadableArray ccRecipients = options.getArray("ccRecipients");
Expand All @@ -84,14 +93,57 @@ public void mail(ReadableMap options, Callback callback) {
i.putExtra(Intent.EXTRA_BCC, readableArrayToStringArray(bccRecipients));
}

if (options.hasKey("attachment") && !options.isNull("attachment")) {
ReadableMap attachment = options.getMap("attachment");
if (attachment.hasKey("path") && !attachment.isNull("path")) {
String path = attachment.getString("path");
File file = new File(path);
Uri p = Uri.fromFile(file);
i.putExtra(Intent.EXTRA_STREAM, p);
if (options.hasKey("attachments") && !options.isNull("attachments")) {

ReadableArray r = options.getArray("attachments");
int length = r.size();
ArrayList<Uri> uris = new ArrayList<Uri>();
for (int keyIndex = 0; keyIndex < length; keyIndex++) {
ReadableMap clip = r.getMap(keyIndex);
if (clip.hasKey("path") && !clip.isNull("path")) {
String path = clip.getString("path");
Log.d ("RNMail", "Attachment file path: " + path);

File file = new File(path);

String name, suffix = "";
if (clip.hasKey("name"))
name = clip.getString("name");
else
name = file.getName();

if (clip.hasKey("type"))
suffix = "." + clip.getString("type");


file.setReadable(true, false);
if (file.exists()) {

if (file.length() == 0)
Log.d ("RNMail", "Warning, attaching empty file!");
// Use the FileProvider to get a content URI
try {
Uri fileUri = FileProvider.getUriForFile(
getCurrentActivity(),
reactContext.getPackageName() + ".fileprovider",
file);
if (fileUri != null) {
// Grant temporary read permission to the content URI
uris.add(fileUri);
}
} catch (Exception e) {
String message = "There was a problem sharing the file " + file.getName();
Log.e("RNMail", message);
callback.invoke("error", message + "\n" + e.getMessage());
}
} else {
Log.e("RNMail", "Attachment file does not exist");
}
}
}
i.setType("*/*");
i.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
i.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
}

PackageManager manager = reactContext.getPackageManager();
Expand All @@ -106,18 +158,18 @@ public void mail(ReadableMap options, Callback callback) {
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
reactContext.startActivity(i);
} catch (Exception ex) {
callback.invoke("error");
} catch (Exception e) {
callback.invoke("error", e.getMessage());
}
} else {
Intent chooser = Intent.createChooser(i, "Send Mail");
Intent chooser = Intent.createChooser(i, "Send email...");
chooser.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

try {
reactContext.startActivity(chooser);
} catch (Exception ex) {
callback.invoke("error");
} catch (Exception e) {
callback.invoke("error", e.getMessage());
}

}
}
}