summaryrefslogtreecommitdiff
path: root/src/de/blinkt/openvpn/ConfigConverter.java
blob: 101c90b09a0cc078992004d0dca5f2f96e2f9f86 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
package de.blinkt.openvpn;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Vector;

import android.app.Activity;
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import de.blinkt.openvpn.ConfigParser.ConfigParseError;

public class ConfigConverter extends ListActivity {

	public static final String IMPORT_PROFILE = "de.blinkt.openvpn.IMPORT_PROFILE";

	private VpnProfile mResult;
	private ArrayAdapter<String> mArrayAdapter;

	private List<String> mPathsegments;


	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
	}


	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		if(item.getItemId()==R.id.cancel){
			setResult(Activity.RESULT_CANCELED);
			finish();
		} else if(item.getItemId()==R.id.ok) {
			if(mResult==null) {
				log("Importing the config had error, cannot save it");
				return true;
			}
			
			Intent result = new Intent();
			ProfileManager vpl = ProfileManager.getInstance(this);
			
			setUniqueProfileName(vpl);
			vpl.addProfile(mResult);
			vpl.saveProfile(this, mResult);
			vpl.saveProfileList(this);
			result.putExtra(VpnProfile.EXTRA_PROFILEUUID,mResult.getUUID().toString());
			setResult(Activity.RESULT_OK, result);
			finish();
			return true;
		}

		return super.onOptionsItemSelected(item);

	}


	private void setUniqueProfileName(ProfileManager vpl) {
		int i=1;
		String newname = getString(R.string.converted_profile);
		
		while(vpl.getProfileByName(newname)!=null) {
			i++;
			newname = getString(R.string.converted_profile_i,i);
		}
		
		mResult.mName=newname;
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.import_menu, menu);
		return true;
	}


	private String embedFile(String filename)
	{
		if(filename == null || filename.equals(""))
			return null;
		// Already embedded, nothing to do
		if(filename.startsWith(VpnProfile.INLINE_TAG))
			return filename;

		// Try diffent path relative to /mnt/sdcard
		File sdcard = Environment.getExternalStorageDirectory();
		File root = new File("/");
		
		Vector<File> dirlist = new Vector<File>();

		for(int i=mPathsegments.size()-1;i >=0 ;i--){
			String path = "";
			for (int j = 0;j<=i;j++) {
				path += "/" + mPathsegments.get(j);
			}
			dirlist.add(new File(path));
		}
		dirlist.add(sdcard);
		dirlist.add(root);
		
		
		String[] fileparts = filename.split("/");
		for(File rootdir:dirlist){
			String suffix="";
			for(int i=fileparts.length-1; i >=0;i--) {
				if(i==fileparts.length-1)
					suffix = fileparts[i];
				else
					suffix = fileparts[i] + "/" + suffix;

				File possibleFile = new File(rootdir,suffix);
				if(!possibleFile.canRead())
					continue;

				// read the file inline

				String filedata =  "";
				byte[] buf =new byte[2048];

				log(R.string.trying_to_read, possibleFile.getAbsolutePath());
				try {
					FileInputStream fis = new FileInputStream(possibleFile);
					int len = fis.read(buf);
					while( len > 0){
						filedata += new String(buf,0,len);
						len = fis.read(buf);
					}
					fis.close();
					return VpnProfile.INLINE_TAG + filedata;
				} catch (FileNotFoundException e) {
					log(e.getLocalizedMessage());
				} catch (IOException e) {
					log(e.getLocalizedMessage());
				}	


			}
		}
		log(R.string.import_could_not_open,filename);
		return null;
	}

	void embedFiles() {
		// This where I would like to have a c++ style
		// void embedFile(std::string & option)

		mResult.mCaFilename = embedFile(mResult.mCaFilename);
		mResult.mClientCertFilename = embedFile(mResult.mClientCertFilename);
		mResult.mClientKeyFilename = embedFile(mResult.mClientKeyFilename);
		mResult.mTLSAuthFilename = embedFile(mResult.mTLSAuthFilename);
		
		if(mResult.mUsername != null && !mResult.mUsername.equals("")){
			String data =embedFile(mResult.mUsername);
			mResult.mName=null;
			if(data!=null) {
				data = data.replace(VpnProfile.INLINE_TAG, "");
				String[] parts = data.split("\n");
				if(parts.length >= 2) {
					mResult.mName=parts[0];
					mResult.mPassword=parts[1];
				}
			}
		}
	}


	@Override
	protected void onStart() {
		super.onStart();

		mArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
		getListView().setAdapter(mArrayAdapter);
		final android.content.Intent intent = getIntent ();

		if (intent != null)
		{
			final android.net.Uri data = intent.getData ();
			if (data != null)
			{
				log(R.string.import_experimental);
				log(R.string.importing_config,data.toString());
				try {
					InputStream is = getContentResolver().openInputStream(data);
					mPathsegments = data.getPathSegments();
					
					doImport(is);
				} catch (FileNotFoundException e) {
					log(R.string.import_content_resolve_error);
				}
			} 
		} 

		return;
	}

	private void log(String logmessage) {
		mArrayAdapter.add(logmessage);
	}

	private void doImport(InputStream is) {
		ConfigParser cp = new ConfigParser();
		try {
			cp.parseConfig(is);
			VpnProfile vp = cp.convertProfile();
			mResult = vp;
			embedFiles();
			displayWarnings();
			log(R.string.import_done);
			return;

		} catch (IOException e) {
			log(R.string.error_reading_config_file);
			log(e.getLocalizedMessage());
		} catch (ConfigParseError e) {
			log(R.string.error_reading_config_file);
			log(e.getLocalizedMessage());			
		}
		mResult=null;

	}

	private void displayWarnings() {
		if(mResult.mUseCustomConfig) {
			log(R.string.import_warning_custom_options);
			log(mResult.mCustomConfigOptions);
		}

		if(mResult.mAuthenticationType==VpnProfile.TYPE_KEYSTORE) {
			log(R.string.import_pkcs12_to_keystore);
		}

	}


	private void log(int ressourceId, Object... formatArgs) {
		log(getString(ressourceId,formatArgs));
	}
}