diff options
author | steckbrief <steckbrief@chefmail.de> | 2015-05-03 22:25:46 +0200 |
---|---|---|
committer | lookshe <github@lookshe.org> | 2015-06-19 09:46:40 +0200 |
commit | 7382e3af9769f76fe4e19934a59e45a3f9858332 (patch) | |
tree | c37cdb03dfaeaccde7c8dd7c79887bf0de278f83 /src/main/java/eu/siacs/conversations/entities/DownloadableFile.java | |
parent | b3b4a2902e37fb072e800f5dff0392755f5d4501 (diff) |
renaming eu.siacs.conversations to de.thedevstack.conversationsplus
"renaming eu.siacs.conversations to de.thedevstack.conversationsplus"
package renaming completed
Diffstat (limited to 'src/main/java/eu/siacs/conversations/entities/DownloadableFile.java')
-rw-r--r-- | src/main/java/eu/siacs/conversations/entities/DownloadableFile.java | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java deleted file mode 100644 index 7c8f95d1..00000000 --- a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java +++ /dev/null @@ -1,172 +0,0 @@ -package eu.siacs.conversations.entities; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.URLConnection; -import java.security.InvalidAlgorithmParameterException; -import java.security.InvalidKeyException; -import java.security.Key; -import java.security.NoSuchAlgorithmException; - -import javax.crypto.Cipher; -import javax.crypto.CipherInputStream; -import javax.crypto.CipherOutputStream; -import javax.crypto.NoSuchPaddingException; -import javax.crypto.spec.IvParameterSpec; -import javax.crypto.spec.SecretKeySpec; - -import eu.siacs.conversations.Config; -import android.util.Log; - -public class DownloadableFile extends File { - - private static final long serialVersionUID = 2247012619505115863L; - - private long expectedSize = 0; - private String sha1sum; - private Key aeskey; - private String mime; - - private byte[] iv = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, - 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0xf }; - - public DownloadableFile(String path) { - super(path); - } - - public long getSize() { - return super.length(); - } - - public long getExpectedSize() { - if (this.aeskey != null) { - if (this.expectedSize == 0) { - return 0; - } else { - return (this.expectedSize / 16 + 1) * 16; - } - } else { - return this.expectedSize; - } - } - - public String getMimeType() { - String path = this.getAbsolutePath(); - try { - String mime = URLConnection.guessContentTypeFromName(path.replace("#","")); - if (mime != null) { - return mime; - } else if (mime == null && path.endsWith(".webp")) { - return "image/webp"; - } else { - return ""; - } - } catch (final StringIndexOutOfBoundsException e) { - return ""; - } - } - - public void setExpectedSize(long size) { - this.expectedSize = size; - } - - public String getSha1Sum() { - return this.sha1sum; - } - - public void setSha1Sum(String sum) { - this.sha1sum = sum; - } - - public void setKey(byte[] key) { - if (key.length == 48) { - byte[] secretKey = new byte[32]; - byte[] iv = new byte[16]; - System.arraycopy(key, 0, iv, 0, 16); - System.arraycopy(key, 16, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); - this.iv = iv; - } else if (key.length >= 32) { - byte[] secretKey = new byte[32]; - System.arraycopy(key, 0, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); - } else if (key.length >= 16) { - byte[] secretKey = new byte[16]; - System.arraycopy(key, 0, secretKey, 0, 16); - this.aeskey = new SecretKeySpec(secretKey, "AES"); - } - } - - public Key getKey() { - return this.aeskey; - } - - public InputStream createInputStream() { - if (this.getKey() == null) { - try { - return new FileInputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.ENCRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted input stream"); - return new CipherInputStream(new FileInputStream(this), cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } - } - - public OutputStream createOutputStream() { - if (this.getKey() == null) { - try { - return new FileOutputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(this.iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.DECRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted output stream"); - return new CipherOutputStream(new FileOutputStream(this), - cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } - } -} |