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-rw-r--r--src/main/java/eu/siacs/conversations/crypto/PgpEngine.java2
-rw-r--r--src/main/java/eu/siacs/conversations/entities/DownloadableFile.java17
-rw-r--r--src/main/java/eu/siacs/conversations/entities/Message.java85
-rw-r--r--src/main/java/eu/siacs/conversations/parser/MessageParser.java2
-rw-r--r--src/main/java/eu/siacs/conversations/ui/ConversationFragment.java5
-rw-r--r--src/main/java/eu/siacs/conversations/utils/MimeUtils.java487
-rw-r--r--src/main/java/eu/siacs/conversations/utils/UIHelper.java11
7 files changed, 555 insertions, 54 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java b/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
index 32b9b924..cba80ba0 100644
--- a/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
+++ b/src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
@@ -59,7 +59,7 @@ public class PgpEngine {
message.setEncryption(Message.ENCRYPTION_DECRYPTED);
final HttpConnectionManager manager = mXmppConnectionService.getHttpConnectionManager();
if (message.trusted()
- && message.treatAsDownloadable() == Message.Decision.YES
+ && message.treatAsDownloadable() != Message.Decision.NEVER
&& manager.getAutoAcceptFileSize() > 0) {
manager.createNewConnection(message);
}
diff --git a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
index 7c8f95d1..ae9ba1f1 100644
--- a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
+++ b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java
@@ -20,6 +20,8 @@ import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import eu.siacs.conversations.Config;
+import eu.siacs.conversations.utils.MimeUtils;
+
import android.util.Log;
public class DownloadableFile extends File {
@@ -56,16 +58,11 @@ public class DownloadableFile extends File {
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) {
+ int start = path.lastIndexOf('.') + 1;
+ if (start < path.length()) {
+ String mime = MimeUtils.guessMimeTypeFromExtension(path.substring(start));
+ return mime == null ? "" : mime;
+ } else {
return "";
}
}
diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index 1f622bf4..0b938639 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -9,6 +9,7 @@ import java.util.Arrays;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.utils.GeoHelper;
+import eu.siacs.conversations.utils.MimeUtils;
import eu.siacs.conversations.utils.UIHelper;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
@@ -375,8 +376,8 @@ public class Message extends AbstractEntity {
(message.getTimeSent() - this.getTimeSent()) <= (Config.MESSAGE_MERGE_WINDOW * 1000) &&
!GeoHelper.isGeoUri(message.getBody()) &&
!GeoHelper.isGeoUri(this.body) &&
- message.treatAsDownloadable() == Decision.NO &&
- this.treatAsDownloadable() == Decision.NO &&
+ message.treatAsDownloadable() == Decision.NEVER &&
+ this.treatAsDownloadable() == Decision.NEVER &&
!message.getBody().startsWith(ME_COMMAND) &&
!this.getBody().startsWith(ME_COMMAND) &&
!this.bodyIsHeart() &&
@@ -435,49 +436,75 @@ public class Message extends AbstractEntity {
}
public enum Decision {
- YES,
- NO,
- ASK
+ MUST,
+ SHOULD,
+ NEVER,
+ }
+
+ private static String extractRelevantExtension(URL url) {
+ String path = url.getPath();
+ if (path == null || path.isEmpty()) {
+ return null;
+ }
+ String filename = path.substring(path.lastIndexOf('/') + 1).toLowerCase();
+ String[] extensionParts = filename.split("\\.");
+ if (extensionParts.length == 2) {
+ return extensionParts[extensionParts.length - 1];
+ } else if (extensionParts.length == 3 && Arrays
+ .asList(Downloadable.VALID_CRYPTO_EXTENSIONS)
+ .contains(extensionParts[extensionParts.length - 1])) {
+ return extensionParts[extensionParts.length -2];
+ }
+ return null;
+ }
+
+ public String getMimeType() {
+ if (relativeFilePath != null) {
+ int start = relativeFilePath.lastIndexOf('.') + 1;
+ if (start < relativeFilePath.length()) {
+ return MimeUtils.guessMimeTypeFromExtension(relativeFilePath.substring(start));
+ } else {
+ return null;
+ }
+ } else {
+ try {
+ return MimeUtils.guessExtensionFromMimeType(extractRelevantExtension(new URL(body.trim())));
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ }
}
public Decision treatAsDownloadable() {
if (body.trim().contains(" ")) {
- return Decision.NO;
+ return Decision.NEVER;
}
try {
URL url = new URL(body);
if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
- return Decision.NO;
+ return Decision.NEVER;
}
- String path = url.getPath();
- if (path == null || path.isEmpty()) {
- return Decision.NO;
+ String extension = extractRelevantExtension(url);
+ if (extension == null) {
+ return Decision.NEVER;
}
-
- String filename = path.substring(path.lastIndexOf('/') + 1).toLowerCase();
- String[] extensionParts = filename.split("\\.");
- String extension;
String ref = url.getRef();
- if (extensionParts.length == 2) {
- extension = extensionParts[extensionParts.length - 1];
- } else if (extensionParts.length == 3 && Arrays
- .asList(Downloadable.VALID_CRYPTO_EXTENSIONS)
- .contains(extensionParts[extensionParts.length - 1])) {
- extension = extensionParts[extensionParts.length -2];
- } else {
- return Decision.NO;
- }
+ boolean encrypted = ref != null && ref.matches("([A-Fa-f0-9]{2}){48}");
- if (Arrays.asList(Downloadable.VALID_IMAGE_EXTENSIONS).contains(extension)) {
- return Decision.YES;
- } else if (ref != null && ref.matches("([A-Fa-f0-9]{2}){48}")) {
- return Decision.ASK;
+ if (encrypted) {
+ if (MimeUtils.guessMimeTypeFromExtension(extension) != null) {
+ return Decision.MUST;
+ } else {
+ return Decision.NEVER;
+ }
+ } else if (Arrays.asList(Downloadable.VALID_IMAGE_EXTENSIONS).contains(extension)) {
+ return Decision.SHOULD;
} else {
- return Decision.NO;
+ return Decision.NEVER;
}
} catch (MalformedURLException e) {
- return Decision.NO;
+ return Decision.NEVER;
}
}
diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index 6d2aebf2..d1b8c03a 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -360,7 +360,7 @@ public class MessageParser extends AbstractParser implements
mXmppConnectionService.databaseBackend.createMessage(message);
}
final HttpConnectionManager manager = this.mXmppConnectionService.getHttpConnectionManager();
- if (message.trusted() && message.treatAsDownloadable() == Message.Decision.YES && manager.getAutoAcceptFileSize() > 0) {
+ if (message.trusted() && message.treatAsDownloadable() != Message.Decision.NEVER && manager.getAutoAcceptFileSize() > 0) {
manager.createNewConnection(message);
} else if (!message.isRead()) {
mXmppConnectionService.getNotificationService().push(message);
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index 445aaa47..a0403335 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -457,7 +457,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
}
if (m.getType() != Message.TYPE_TEXT
|| m.getDownloadable() != null
- || m.treatAsDownloadable() == Message.Decision.NO) {
+ || m.treatAsDownloadable() == Message.Decision.NEVER) {
downloadImage.setVisible(false);
}
if (!((m.getDownloadable() != null && !(m.getDownloadable() instanceof DownloadablePlaceholder))
@@ -505,8 +505,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
activity.xmppConnectionService.getFileBackend()
.getJingleFileUri(message));
shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
- String path = message.getRelativeFilePath();
- String mime = path == null ? null : URLConnection.guessContentTypeFromName(path);
+ String mime = message.getMimeType();
if (mime == null) {
mime = "image/webp";
}
diff --git a/src/main/java/eu/siacs/conversations/utils/MimeUtils.java b/src/main/java/eu/siacs/conversations/utils/MimeUtils.java
new file mode 100644
index 00000000..a9e89d1b
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/utils/MimeUtils.java
@@ -0,0 +1,487 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package eu.siacs.conversations.utils;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+/**
+ * Utilities for dealing with MIME types.
+ * Used to implement java.net.URLConnection and android.webkit.MimeTypeMap.
+ */
+public final class MimeUtils {
+ private static final Map<String, String> mimeTypeToExtensionMap = new HashMap<String, String>();
+ private static final Map<String, String> extensionToMimeTypeMap = new HashMap<String, String>();
+ static {
+ // The following table is based on /etc/mime.types data minus
+ // chemical/* MIME types and MIME types that don't map to any
+ // file extensions. We also exclude top-level domain names to
+ // deal with cases like:
+ //
+ // mail.google.com/a/google.com
+ //
+ // and "active" MIME types (due to potential security issues).
+ // Note that this list is _not_ in alphabetical order and must not be sorted.
+ // The "most popular" extension must come first, so that it's the one returned
+ // by guessExtensionFromMimeType.
+ add("application/andrew-inset", "ez");
+ add("application/dsptype", "tsp");
+ add("application/hta", "hta");
+ add("application/mac-binhex40", "hqx");
+ add("application/mathematica", "nb");
+ add("application/msaccess", "mdb");
+ add("application/oda", "oda");
+ add("application/ogg", "ogg");
+ add("application/ogg", "oga");
+ add("application/pdf", "pdf");
+ add("application/pgp-keys", "key");
+ add("application/pgp-signature", "pgp");
+ add("application/pics-rules", "prf");
+ add("application/pkix-cert", "cer");
+ add("application/rar", "rar");
+ add("application/rdf+xml", "rdf");
+ add("application/rss+xml", "rss");
+ add("application/zip", "zip");
+ add("application/vnd.android.package-archive", "apk");
+ add("application/vnd.cinderella", "cdy");
+ add("application/vnd.ms-pki.stl", "stl");
+ add("application/vnd.oasis.opendocument.database", "odb");
+ add("application/vnd.oasis.opendocument.formula", "odf");
+ add("application/vnd.oasis.opendocument.graphics", "odg");
+ add("application/vnd.oasis.opendocument.graphics-template", "otg");
+ add("application/vnd.oasis.opendocument.image", "odi");
+ add("application/vnd.oasis.opendocument.spreadsheet", "ods");
+ add("application/vnd.oasis.opendocument.spreadsheet-template", "ots");
+ add("application/vnd.oasis.opendocument.text", "odt");
+ add("application/vnd.oasis.opendocument.text-master", "odm");
+ add("application/vnd.oasis.opendocument.text-template", "ott");
+ add("application/vnd.oasis.opendocument.text-web", "oth");
+ add("application/vnd.google-earth.kml+xml", "kml");
+ add("application/vnd.google-earth.kmz", "kmz");
+ add("application/msword", "doc");
+ add("application/msword", "dot");
+ add("application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx");
+ add("application/vnd.openxmlformats-officedocument.wordprocessingml.template", "dotx");
+ add("application/vnd.ms-excel", "xls");
+ add("application/vnd.ms-excel", "xlt");
+ add("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx");
+ add("application/vnd.openxmlformats-officedocument.spreadsheetml.template", "xltx");
+ add("application/vnd.ms-powerpoint", "ppt");
+ add("application/vnd.ms-powerpoint", "pot");
+ add("application/vnd.ms-powerpoint", "pps");
+ add("application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx");
+ add("application/vnd.openxmlformats-officedocument.presentationml.template", "potx");
+ add("application/vnd.openxmlformats-officedocument.presentationml.slideshow", "ppsx");
+ add("application/vnd.rim.cod", "cod");
+ add("application/vnd.smaf", "mmf");
+ add("application/vnd.stardivision.calc", "sdc");
+ add("application/vnd.stardivision.draw", "sda");
+ add("application/vnd.stardivision.impress", "sdd");
+ add("application/vnd.stardivision.impress", "sdp");
+ add("application/vnd.stardivision.math", "smf");
+ add("application/vnd.stardivision.writer", "sdw");
+ add("application/vnd.stardivision.writer", "vor");
+ add("application/vnd.stardivision.writer-global", "sgl");
+ add("application/vnd.sun.xml.calc", "sxc");
+ add("application/vnd.sun.xml.calc.template", "stc");
+ add("application/vnd.sun.xml.draw", "sxd");
+ add("application/vnd.sun.xml.draw.template", "std");
+ add("application/vnd.sun.xml.impress", "sxi");
+ add("application/vnd.sun.xml.impress.template", "sti");
+ add("application/vnd.sun.xml.math", "sxm");
+ add("application/vnd.sun.xml.writer", "sxw");
+ add("application/vnd.sun.xml.writer.global", "sxg");
+ add("application/vnd.sun.xml.writer.template", "stw");
+ add("application/vnd.visio", "vsd");
+ add("application/x-abiword", "abw");
+ add("application/x-apple-diskimage", "dmg");
+ add("application/x-bcpio", "bcpio");
+ add("application/x-bittorrent", "torrent");
+ add("application/x-cdf", "cdf");
+ add("application/x-cdlink", "vcd");
+ add("application/x-chess-pgn", "pgn");
+ add("application/x-cpio", "cpio");
+ add("application/x-debian-package", "deb");
+ add("application/x-debian-package", "udeb");
+ add("application/x-director", "dcr");
+ add("application/x-director", "dir");
+ add("application/x-director", "dxr");
+ add("application/x-dms", "dms");
+ add("application/x-doom", "wad");
+ add("application/x-dvi", "dvi");
+ add("application/x-font", "pfa");
+ add("application/x-font", "pfb");
+ add("application/x-font", "gsf");
+ add("application/x-font", "pcf");
+ add("application/x-font", "pcf.Z");
+ add("application/x-freemind", "mm");
+ // application/futuresplash isn't IANA, so application/x-futuresplash should come first.
+ add("application/x-futuresplash", "spl");
+ add("application/futuresplash", "spl");
+ add("application/x-gnumeric", "gnumeric");
+ add("application/x-go-sgf", "sgf");
+ add("application/x-graphing-calculator", "gcf");
+ add("application/x-gtar", "tgz");
+ add("application/x-gtar", "gtar");
+ add("application/x-gtar", "taz");
+ add("application/x-hdf", "hdf");
+ add("application/x-ica", "ica");
+ add("application/x-internet-signup", "ins");
+ add("application/x-internet-signup", "isp");
+ add("application/x-iphone", "iii");
+ add("application/x-iso9660-image", "iso");
+ add("application/x-jmol", "jmz");
+ add("application/x-kchart", "chrt");
+ add("application/x-killustrator", "kil");
+ add("application/x-koan", "skp");
+ add("application/x-koan", "skd");
+ add("application/x-koan", "skt");
+ add("application/x-koan", "skm");
+ add("application/x-kpresenter", "kpr");
+ add("application/x-kpresenter", "kpt");
+ add("application/x-kspread", "ksp");
+ add("application/x-kword", "kwd");
+ add("application/x-kword", "kwt");
+ add("application/x-latex", "latex");
+ add("application/x-lha", "lha");
+ add("application/x-lzh", "lzh");
+ add("application/x-lzx", "lzx");
+ add("application/x-maker", "frm");
+ add("application/x-maker", "maker");
+ add("application/x-maker", "frame");
+ add("application/x-maker", "fb");
+ add("application/x-maker", "book");
+ add("application/x-maker", "fbdoc");
+ add("application/x-mif", "mif");
+ add("application/x-ms-wmd", "wmd");
+ add("application/x-ms-wmz", "wmz");
+ add("application/x-msi", "msi");
+ add("application/x-ns-proxy-autoconfig", "pac");
+ add("application/x-nwc", "nwc");
+ add("application/x-object", "o");
+ add("application/x-oz-application", "oza");
+ add("application/x-pem-file", "pem");
+ add("application/x-pkcs12", "p12");
+ add("application/x-pkcs12", "pfx");
+ add("application/x-pkcs7-certreqresp", "p7r");
+ add("application/x-pkcs7-crl", "crl");
+ add("application/x-quicktimeplayer", "qtl");
+ add("application/x-shar", "shar");
+ add("application/x-shockwave-flash", "swf");
+ add("application/x-stuffit", "sit");
+ add("application/x-sv4cpio", "sv4cpio");
+ add("application/x-sv4crc", "sv4crc");
+ add("application/x-tar", "tar");
+ add("application/x-texinfo", "texinfo");
+ add("application/x-texinfo", "texi");
+ add("application/x-troff", "t");
+ add("application/x-troff", "roff");
+ add("application/x-troff-man", "man");
+ add("application/x-ustar", "ustar");
+ add("application/x-wais-source", "src");
+ add("application/x-wingz", "wz");
+ add("application/x-webarchive", "webarchive");
+ add("application/x-webarchive-xml", "webarchivexml");
+ add("application/x-x509-ca-cert", "crt");
+ add("application/x-x509-user-cert", "crt");
+ add("application/x-x509-server-cert", "crt");
+ add("application/x-xcf", "xcf");
+ add("application/x-xfig", "fig");
+ add("application/xhtml+xml", "xhtml");
+ add("audio/3gpp", "3gpp");
+ add("audio/aac", "aac");
+ add("audio/aac-adts", "aac");
+ add("audio/amr", "amr");
+ add("audio/amr-wb", "awb");
+ add("audio/basic", "snd");
+ add("audio/flac", "flac");
+ add("application/x-flac", "flac");
+ add("audio/imelody", "imy");
+ add("audio/midi", "mid");
+ add("audio/midi", "midi");
+ add("audio/midi", "ota");
+ add("audio/midi", "kar");
+ add("audio/midi", "rtttl");
+ add("audio/midi", "xmf");
+ add("audio/mobile-xmf", "mxmf");
+ // add ".mp3" first so it will be the default for guessExtensionFromMimeType
+ add("audio/mpeg", "mp3");
+ add("audio/mpeg", "mpga");
+ add("audio/mpeg", "mpega");
+ add("audio/mpeg", "mp2");
+ add("audio/mpeg", "m4a");
+ add("audio/mpegurl", "m3u");
+ add("audio/prs.sid", "sid");
+ add("audio/x-aiff", "aif");
+ add("audio/x-aiff", "aiff");
+ add("audio/x-aiff", "aifc");
+ add("audio/x-gsm", "gsm");
+ add("audio/x-matroska", "mka");
+ add("audio/x-mpegurl", "m3u");
+ add("audio/x-ms-wma", "wma");
+ add("audio/x-ms-wax", "wax");
+ add("audio/x-pn-realaudio", "ra");
+ add("audio/x-pn-realaudio", "rm");
+ add("audio/x-pn-realaudio", "ram");
+ add("audio/x-realaudio", "ra");
+ add("audio/x-scpls", "pls");
+ add("audio/x-sd2", "sd2");
+ add("audio/x-wav", "wav");
+ // image/bmp isn't IANA, so image/x-ms-bmp should come first.
+ add("image/x-ms-bmp", "bmp");
+ add("image/bmp", "bmp");
+ add("image/gif", "gif");
+ // image/ico isn't IANA, so image/x-icon should come first.
+ add("image/x-icon", "ico");
+ add("image/ico", "cur");
+ add("image/ico", "ico");
+ add("image/ief", "ief");
+ // add ".jpg" first so it will be the default for guessExtensionFromMimeType
+ add("image/jpeg", "jpg");
+ add("image/jpeg", "jpeg");
+ add("image/jpeg", "jpe");
+ add("image/pcx", "pcx");
+ add("image/png", "png");
+ add("image/svg+xml", "svg");
+ add("image/svg+xml", "svgz");
+ add("image/tiff", "tiff");
+ add("image/tiff", "tif");
+ add("image/vnd.djvu", "djvu");
+ add("image/vnd.djvu", "djv");
+ add("image/vnd.wap.wbmp", "wbmp");
+ add("image/webp", "webp");
+ add("image/x-cmu-raster", "ras");
+ add("image/x-coreldraw", "cdr");
+ add("image/x-coreldrawpattern", "pat");
+ add("image/x-coreldrawtemplate", "cdt");
+ add("image/x-corelphotopaint", "cpt");
+ add("image/x-jg", "art");
+ add("image/x-jng", "jng");
+ add("image/x-photoshop", "psd");
+ add("image/x-portable-anymap", "pnm");
+ add("image/x-portable-bitmap", "pbm");
+ add("image/x-portable-graymap", "pgm");
+ add("image/x-portable-pixmap", "ppm");
+ add("image/x-rgb", "rgb");
+ add("image/x-xbitmap", "xbm");
+ add("image/x-xpixmap", "xpm");
+ add("image/x-xwindowdump", "xwd");
+ add("model/iges", "igs");
+ add("model/iges", "iges");
+ add("model/mesh", "msh");
+ add("model/mesh", "mesh");
+ add("model/mesh", "silo");
+ add("text/calendar", "ics");
+ add("text/calendar", "icz");
+ add("text/comma-separated-values", "csv");
+ add("text/css", "css");
+ add("text/html", "htm");
+ add("text/html", "html");
+ add("text/h323", "323");
+ add("text/iuls", "uls");
+ add("text/mathml", "mml");
+ // add ".txt" first so it will be the default for guessExtensionFromMimeType
+ add("text/plain", "txt");
+ add("text/plain", "asc");
+ add("text/plain", "text");
+ add("text/plain", "diff");
+ add("text/plain", "po"); // reserve "pot" for vnd.ms-powerpoint
+ add("text/richtext", "rtx");
+ add("text/rtf", "rtf");
+ add("text/text", "phps");
+ add("text/tab-separated-values", "tsv");
+ add("text/xml", "xml");
+ add("text/x-bibtex", "bib");
+ add("text/x-boo", "boo");
+ add("text/x-c++hdr", "hpp");
+ add("text/x-c++hdr", "h++");
+ add("text/x-c++hdr", "hxx");
+ add("text/x-c++hdr", "hh");
+ add("text/x-c++src", "cpp");
+ add("text/x-c++src", "c++");
+ add("text/x-c++src", "cc");
+ add("text/x-c++src", "cxx");
+ add("text/x-chdr", "h");
+ add("text/x-component", "htc");
+ add("text/x-csh", "csh");
+ add("text/x-csrc", "c");
+ add("text/x-dsrc", "d");
+ add("text/x-haskell", "hs");
+ add("text/x-java", "java");
+ add("text/x-literate-haskell", "lhs");
+ add("text/x-moc", "moc");
+ add("text/x-pascal", "p");
+ add("text/x-pascal", "pas");
+ add("text/x-pcs-gcd", "gcd");
+ add("text/x-setext", "etx");
+ add("text/x-tcl", "tcl");
+ add("text/x-tex", "tex");
+ add("text/x-tex", "ltx");
+ add("text/x-tex", "sty");
+ add("text/x-tex", "cls");
+ add("text/x-vcalendar", "vcs");
+ add("text/x-vcard", "vcf");
+ add("video/3gpp", "3gpp");
+ add("video/3gpp", "3gp");
+ add("video/3gpp2", "3gpp2");
+ add("video/3gpp2", "3g2");
+ add("video/avi", "avi");
+ add("video/dl", "dl");
+ add("video/dv", "dif");
+ add("video/dv", "dv");
+ add("video/fli", "fli");
+ add("video/m4v", "m4v");
+ add("video/mp2ts", "ts");
+ add("video/mpeg", "mpeg");
+ add("video/mpeg", "mpg");
+ add("video/mpeg", "mpe");
+ add("video/mp4", "mp4");
+ add("video/mpeg", "VOB");
+ add("video/quicktime", "qt");
+ add("video/quicktime", "mov");
+ add("video/vnd.mpegurl", "mxu");
+ add("video/webm", "webm");
+ add("video/x-la-asf", "lsf");
+ add("video/x-la-asf", "lsx");
+ add("video/x-matroska", "mkv");
+ add("video/x-mng", "mng");
+ add("video/x-ms-asf", "asf");
+ add("video/x-ms-asf", "asx");
+ add("video/x-ms-wm", "wm");
+ add("video/x-ms-wmv", "wmv");
+ add("video/x-ms-wmx", "wmx");
+ add("video/x-ms-wvx", "wvx");
+ add("video/x-sgi-movie", "movie");
+ add("video/x-webex", "wrf");
+ add("x-conference/x-cooltalk", "ice");
+ add("x-epoc/x-sisx-app", "sisx");
+ applyOverrides();
+ }
+ private static void add(String mimeType, String extension) {
+ // If we have an existing x -> y mapping, we do not want to
+ // override it with another mapping x -> y2.
+ // If a mime type maps to several extensions
+ // the first extension added is considered the most popular
+ // so we do not want to overwrite it later.
+ if (!mimeTypeToExtensionMap.containsKey(mimeType)) {
+ mimeTypeToExtensionMap.put(mimeType, extension);
+ }
+ if (!extensionToMimeTypeMap.containsKey(extension)) {
+ extensionToMimeTypeMap.put(extension, mimeType);
+ }
+ }
+ private static InputStream getContentTypesPropertiesStream() {
+ // User override?
+ String userTable = System.getProperty("content.types.user.table");
+ if (userTable != null) {
+ File f = new File(userTable);
+ if (f.exists()) {
+ try {
+ return new FileInputStream(f);
+ } catch (IOException ignored) {
+ }
+ }
+ }
+ // Standard location?
+ File f = new File(System.getProperty("java.home"), "lib" + File.separator + "content-types.properties");
+ if (f.exists()) {
+ try {
+ return new FileInputStream(f);
+ } catch (IOException ignored) {
+ }
+ }
+ return null;
+ }
+ /**
+ * This isn't what the RI does. The RI doesn't have hard-coded defaults, so supplying your
+ * own "content.types.user.table" means you don't get any of the built-ins, and the built-ins
+ * come from "$JAVA_HOME/lib/content-types.properties".
+ */
+ private static void applyOverrides() {
+ // Get the appropriate InputStream to read overrides from, if any.
+ InputStream stream = getContentTypesPropertiesStream();
+ if (stream == null) {
+ return;
+ }
+ try {
+ try {
+ // Read the properties file...
+ Properties overrides = new Properties();
+ overrides.load(stream);
+ // And translate its mapping to ours...
+ for (Map.Entry<Object, Object> entry : overrides.entrySet()) {
+ String extension = (String) entry.getKey();
+ String mimeType = (String) entry.getValue();
+ add(mimeType, extension);
+ }
+ } finally {
+ stream.close();
+ }
+ } catch (IOException ignored) {
+ }
+ }
+ private MimeUtils() {
+ }
+ /**
+ * Returns true if the given MIME type has an entry in the map.
+ * @param mimeType A MIME type (i.e. text/plain)
+ * @return True iff there is a mimeType entry in the map.
+ */
+ public static boolean hasMimeType(String mimeType) {
+ if (mimeType == null || mimeType.isEmpty()) {
+ return false;
+ }
+ return mimeTypeToExtensionMap.containsKey(mimeType);
+ }
+ /**
+ * Returns the MIME type for the given extension.
+ * @param extension A file extension without the leading '.'
+ * @return The MIME type for the given extension or null iff there is none.
+ */
+ public static String guessMimeTypeFromExtension(String extension) {
+ if (extension == null || extension.isEmpty()) {
+ return null;
+ }
+ return extensionToMimeTypeMap.get(extension);
+ }
+ /**
+ * Returns true if the given extension has a registered MIME type.
+ * @param extension A file extension without the leading '.'
+ * @return True iff there is an extension entry in the map.
+ */
+ public static boolean hasExtension(String extension) {
+ if (extension == null || extension.isEmpty()) {
+ return false;
+ }
+ return extensionToMimeTypeMap.containsKey(extension);
+ }
+ /**
+ * Returns the registered extension for the given MIME type. Note that some
+ * MIME types map to multiple extensions. This call will return the most
+ * common extension for the given MIME type.
+ * @param mimeType A MIME type (i.e. text/plain)
+ * @return The extension for the given MIME type or null iff there is none.
+ */
+ public static String guessExtensionFromMimeType(String mimeType) {
+ if (mimeType == null || mimeType.isEmpty()) {
+ return null;
+ }
+ return mimeTypeToExtensionMap.get(mimeType);
+ }
+}
diff --git a/src/main/java/eu/siacs/conversations/utils/UIHelper.java b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
index 2f96a83a..19a8653f 100644
--- a/src/main/java/eu/siacs/conversations/utils/UIHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
@@ -199,16 +199,7 @@ public class UIHelper {
if (message.getType() == Message.TYPE_IMAGE) {
return context.getString(R.string.image);
}
- final String path = message.getRelativeFilePath();
- if (path == null) {
- return "";
- }
- final String mime;
- try {
- mime = URLConnection.guessContentTypeFromName(path.replace("#",""));
- } catch (final StringIndexOutOfBoundsException ignored) {
- return context.getString(R.string.file);
- }
+ final String mime = message.getMimeType();
if (mime == null) {
return context.getString(R.string.file);
} else if (mime.startsWith("audio/")) {