Issue 570

Issue 455

(570) Adds a settings option to ignore symlinks during the media scan.

(4550 Adds a regular expression pattern to exclude in addition to the option
of excluding symlinks.

airsonic-main/src/main/java/org/airsonic/player/command/MusicFolderSettingsCommand.java

@@ -41,6 +41,8 @@ public class MusicFolderSettingsCommand {
     private boolean organizeByFolderStructure;
     private List<MusicFolderInfo> musicFolders;
     private MusicFolderInfo newMusicFolder;
+    private String excludePatternString;
+    private boolean ignoreSymLinks;
 
     public String getInterval() {
         return interval;
@@ -98,6 +100,22 @@ public class MusicFolderSettingsCommand {
         this.organizeByFolderStructure = organizeByFolderStructure;
     }
 
+    public String getExcludePatternString() {
+        return excludePatternString;
+    }
+
+    public void setExcludePatternString(String excludePatternString) {
+        this.excludePatternString = excludePatternString;
+    }
+
+    public boolean getIgnoreSymLinks() {
+        return ignoreSymLinks;
+    }
+
+    public void setIgnoreSymLinks(boolean ignoreSymLinks) {
+        this.ignoreSymLinks = ignoreSymLinks;
+    }
+
     public static class MusicFolderInfo {
 
         private Integer id;

airsonic-main/src/main/java/org/airsonic/player/controller/MusicFolderSettingsController.java

@@ -85,6 +85,8 @@ public class MusicFolderSettingsController {
         command.setScanning(mediaScannerService.isScanning());
         command.setMusicFolders(wrap(settingsService.getAllMusicFolders(true, true)));
         command.setNewMusicFolder(new MusicFolderSettingsCommand.MusicFolderInfo());
+        command.setExcludePatternString(settingsService.getExcludePatternString());
+        command.setIgnoreSymLinks(settingsService.getIgnoreSymLinks());
 
         model.addAttribute("command",command);
     }
@@ -123,6 +125,8 @@ public class MusicFolderSettingsController {
         settingsService.setIndexCreationHour(Integer.parseInt(command.getHour()));
         settingsService.setFastCacheEnabled(command.isFastCache());
         settingsService.setOrganizeByFolderStructure(command.isOrganizeByFolderStructure());
+        settingsService.setExcludePatternString(command.getExcludePatternString());
+        settingsService.setIgnoreSymLinks(command.getIgnoreSymLinks());
         settingsService.save();
 
 

airsonic-main/src/main/java/org/airsonic/player/service/MediaFileService.java

@@ -38,6 +38,7 @@ import org.springframework.stereotype.Service;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.*;
 
 /**
@@ -451,9 +452,17 @@ public class MediaFileService {
      * @return Whether the child file is excluded.
      */
     private boolean isExcluded(File file) {
+        if (settingsService.getIgnoreSymLinks() && Files.isSymbolicLink(file.toPath())) {
+            LOG.info("excluding symbolic link " + file.toPath());
+            return true;
+        }
+        String name = file.getName();
+        if (settingsService.getExcludePattern() != null && settingsService.getExcludePattern().matcher(name).find()) {
+            LOG.info("excluding file which matches exclude pattern " + settingsService.getExcludePatternString() + ": " + file.toPath());
+            return true;
+        }
 
         // Exclude all hidden files starting with a single "." or "@eaDir" (thumbnail dir created on Synology devices).
-        String name = file.getName();
         return (name.startsWith(".") && !name.startsWith("..")) || name.startsWith("@eaDir") || name.equals("Thumbs.db");
     }
 

airsonic-main/src/main/java/org/airsonic/player/service/SettingsService.java

@@ -42,6 +42,7 @@ import java.io.InputStream;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
+import java.util.regex.Pattern;
 
 
 /**
@@ -113,6 +114,8 @@ public class SettingsService {
     private static final String KEY_SMTP_PASSWORD = "SmtpPassword";
     private static final String KEY_SMTP_FROM = "SmtpFrom";
     private static final String KEY_EXPORT_PLAYLIST_FORMAT = "PlaylistExportFormat";
+    private static final String KEY_IGNORE_SYMLINKS = "IgnoreSymLinks";
+    private static final String KEY_EXCLUDE_PATTERN_STRING = "ExcludePattern";
 
     // Database Settings
     private static final String KEY_DATABASE_CONFIG_TYPE = "DatabaseConfigType";
@@ -180,6 +183,8 @@ public class SettingsService {
     private static final String DEFAULT_SONOS_SERVICE_NAME = "Airsonic";
     private static final int DEFAULT_SONOS_SERVICE_ID = 242;
     private static final String DEFAULT_EXPORT_PLAYLIST_FORMAT = "m3u";
+    private static final boolean DEFAULT_IGNORE_SYMLINKS = false;
+    private static final String DEFAULT_EXCLUDE_PATTERN_STRING = null;
 
     private static final String DEFAULT_SMTP_SERVER = null;
     private static final String DEFAULT_SMTP_ENCRYPTION = "None";
@@ -233,6 +238,8 @@ public class SettingsService {
     private List<MusicFolder> cachedMusicFolders;
     private final ConcurrentMap<String, List<MusicFolder>> cachedMusicFoldersPerUser = new ConcurrentHashMap<>();
 
+    private Pattern excludePattern;
+
     private void removeObsoleteProperties() {
 
         OBSOLETE_KEYS.forEach( oKey -> {
@@ -729,6 +736,38 @@ public class SettingsService {
         setBoolean(KEY_SORT_ALBUMS_BY_YEAR, b);
     }
 
+    public boolean getIgnoreSymLinks() {
+        return getBoolean(KEY_IGNORE_SYMLINKS, DEFAULT_IGNORE_SYMLINKS);
+    }
+
+    public void setIgnoreSymLinks(boolean b) {
+        setBoolean(KEY_IGNORE_SYMLINKS, b);
+    }
+
+    public String getExcludePatternString() {
+        return getString(KEY_EXCLUDE_PATTERN_STRING, DEFAULT_EXCLUDE_PATTERN_STRING);
+    }
+
+    public void setExcludePatternString(String s) {
+        setString(KEY_EXCLUDE_PATTERN_STRING, s);
+        compileExcludePattern();
+    }
+
+    private void compileExcludePattern() {
+        if (getExcludePatternString() != null && getExcludePatternString().trim().length() > 0) {
+            excludePattern = Pattern.compile(getExcludePatternString());
+        } else {
+            excludePattern = null;
+        }
+    }
+
+    public Pattern getExcludePattern() {
+        if (excludePattern == null && getExcludePatternString() != null) {
+            compileExcludePattern();
+        }
+        return excludePattern;
+    }
+
     public MediaLibraryStatistics getMediaLibraryStatistics() {
         return MediaLibraryStatistics.parse(getString(KEY_MEDIA_LIBRARY_STATISTICS, DEFAULT_MEDIA_LIBRARY_STATISTICS));
     }

airsonic-main/src/main/resources/org/airsonic/player/i18n/ResourceBundle_en.properties

@@ -398,6 +398,8 @@ musicfoldersettings.nowscanning=The media folders are now being scanned. This op
 musicfoldersettings.scannow=Scan media folders now
 musicfoldersettings.access=Manage user access
 musicfoldersettings.access.description=Configure which folders each user is allowed to access.
+musicfoldersettings.ignoresymlinks=Ignore Symbolic Links
+musicfoldersettings.excludepattern=Exclude pattern
 musicfoldersettings.fastcache=Fast access mode
 musicfoldersettings.fastcache.description=Use this option to minimize disk access, for instance if your media files are located on a network disk. Note: Changed or added files will only be visible after your media folders are scanned.
 musicfoldersettings.expunge=Clean-up database
@@ -660,6 +662,8 @@ helppopup.jndiname.title=Data Source JNDI Lookup Name
 helppopup.jndiname.text=A JNDI name to lookup a Data Source of type javax.sql.DataSource. This is something that iscreated in your application container (i.e. tomcat).
 helppopup.embeddriver.title=JDBC Driver Class
 helppopup.embeddriver.text=JDBC Driver dependent class name that implments java.sql.Driver. I.E. for postgres one would use org.postgresql.Driver. This class must be present on the classpath.
+helppopup.excludepattern.title=Exclude Pattern
+helppopup.excludepattern.text=<p>Airsonic will not import any files which match this regular expression pattern.</p>
 helppopup.playlistfolder.title=Import playlist from
 helppopup.playlistfolder.text=<p>Airsonic will regularly import playlists stored in this folder.</p>
 helppopup.musicmask.title=Music files

airsonic-main/src/main/webapp/WEB-INF/jsp/musicFolderSettings.jsp

@@ -69,6 +69,17 @@
         <fmt:message key="musicfoldersettings.access.description"/>
     </p>
 
+    <div>
+	<fmt:message key="musicfoldersettings.excludepattern"/>
+	<form:input path="excludePatternString" size="70"/>
+        <c:import url="helpToolTip.jsp"><c:param name="topic" value="excludepattern"/></c:import>
+    </div>
+
+    <div>
+	<form:checkbox path="ignoreSymLinks" id="ignoreSymLinks"/>
+     	<form:label path="ignoreSymLinks"><fmt:message key="musicfoldersettings.ignoresymlinks"/></form:label>
+    </div>
+
     <div style="padding-top: 0.5em;padding-bottom: 0.3em">
         <span style="white-space: nowrap">
             <fmt:message key="musicfoldersettings.scan"/>