From cbe6840efecf87e53a687cdce6fbdf84c6ab8a46 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 19 Sep 2013 08:40:59 -0400
Subject: [PATCH] Documentation
---
src/main/java/com/gitblit/utils/JGitUtils.java | 124 ++++++++++++++++++++++++++++++++++-------
1 files changed, 103 insertions(+), 21 deletions(-)
diff --git a/src/main/java/com/gitblit/utils/JGitUtils.java b/src/main/java/com/gitblit/utils/JGitUtils.java
index 03b54ee..cf6ec26 100644
--- a/src/main/java/com/gitblit/utils/JGitUtils.java
+++ b/src/main/java/com/gitblit/utils/JGitUtils.java
@@ -32,6 +32,7 @@
import java.util.Map.Entry;
import java.util.regex.Pattern;
+import org.apache.commons.io.filefilter.TrueFileFilter;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.FetchCommand;
import org.eclipse.jgit.api.Git;
@@ -260,17 +261,12 @@
* @return Repository
*/
public static Repository createRepository(File repositoriesFolder, String name) {
- try {
- Git git = Git.init().setDirectory(new File(repositoriesFolder, name)).setBare(true).call();
- return git.getRepository();
- } catch (GitAPIException e) {
- throw new RuntimeException(e);
- }
+ return createRepository(repositoriesFolder, name, "FALSE");
}
/**
* Creates a bare, shared repository.
- *
+ *
* @param repositoriesFolder
* @param name
* @param shared
@@ -279,7 +275,13 @@
*/
public static Repository createRepository(File repositoriesFolder, String name, String shared) {
try {
- Repository repo = createRepository(repositoriesFolder, name);
+ Repository repo = null;
+ try {
+ Git git = Git.init().setDirectory(new File(repositoriesFolder, name)).setBare(true).call();
+ repo = git.getRepository();
+ } catch (GitAPIException e) {
+ throw new RuntimeException(e);
+ }
GitConfigSharedRepository sharedRepository = new GitConfigSharedRepository(shared);
if (sharedRepository.isShared()) {
@@ -289,8 +291,12 @@
config.save();
if (! JnaUtils.isWindows()) {
-
- //libc.chmod("/path/to/file", 0755);
+ Iterator<File> iter = org.apache.commons.io.FileUtils.iterateFilesAndDirs(repo.getDirectory(),
+ TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE);
+ // Adjust permissions on file/directory
+ while (iter.hasNext()) {
+ adjustSharedPerm(iter.next(), sharedRepository);
+ }
}
}
@@ -299,7 +305,9 @@
throw new RuntimeException(e);
}
}
- private enum GitConfigSharedRepositoryValue {
+
+ private enum GitConfigSharedRepositoryValue
+ {
UMASK("0", 0), FALSE("0", 0), OFF("0", 0), NO("0", 0),
GROUP("1", 0660), TRUE("1", 0660), ON("1", 0660), YES("1", 0660),
ALL("2", 0664), WORLD("2", 0664), EVERYBODY("2", 0664),
@@ -313,13 +321,13 @@
public int getPerm() { return permValue; };
}
+
private static class GitConfigSharedRepository
{
private int intValue;
- GitConfigSharedRepositoryValue enumValue;
+ private GitConfigSharedRepositoryValue enumValue;
- GitConfigSharedRepository(String s)
- {
+ GitConfigSharedRepository(String s) {
if ( s == null || s.trim().isEmpty() ) {
enumValue = GitConfigSharedRepositoryValue.GROUP;
}
@@ -344,22 +352,94 @@
}
}
- String getValue()
- {
- if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) return Integer.toOctalString(intValue);
+ String getValue() {
+ if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) {
+ if (intValue == 0) return "0";
+ return String.format("0%o", intValue);
+ }
return enumValue.getConfigValue();
}
- int getPerm()
- {
+ int getPerm() {
if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) return intValue;
return enumValue.getPerm();
}
- boolean isShared()
- {
+ boolean isCustom() {
+ return enumValue == GitConfigSharedRepositoryValue.Oxxx;
+ }
+
+ boolean isShared() {
return (enumValue.getPerm() > 0) || enumValue == GitConfigSharedRepositoryValue.Oxxx;
}
+ }
+
+
+ /**
+ * Adjust file permissions of a file/directory for shared repositories
+ *
+ * @param path
+ * File that should get its permissions changed.
+ * @param configShared
+ * Configuration string value for the shared mode.
+ * @return Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned.
+ */
+ public static int adjustSharedPerm(File path, String configShared) {
+ return adjustSharedPerm(path, new GitConfigSharedRepository(configShared));
+ }
+
+
+ /**
+ * Adjust file permissions of a file/directory for shared repositories
+ *
+ * @param path
+ * File that should get its permissions changed.
+ * @param configShared
+ * Configuration setting for the shared mode.
+ * @return Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned.
+ */
+ public static int adjustSharedPerm(File path, GitConfigSharedRepository configShared) {
+ if (! configShared.isShared()) return 0;
+ if (! path.exists()) return -1;
+
+ int perm = configShared.getPerm();
+ JnaUtils.Filestat stat = JnaUtils.getFilestat(path);
+ if (stat == null) return -1;
+ int mode = stat.mode;
+ if (mode < 0) return -1;
+
+ // Now, here is the kicker: Under Linux, chmod'ing a sgid file whose guid is different from the process'
+ // effective guid will reset the sgid flag of the file. Since there is no way to get the sgid flag back in
+ // that case, we decide to rather not touch is and getting the right permissions will have to be achieved
+ // in a different way, e.g. by using an appropriate umask for the Gitblit process.
+ if (System.getProperty("os.name").toLowerCase().startsWith("linux")) {
+ if ( ((mode & (JnaUtils.S_ISGID | JnaUtils.S_ISUID)) != 0)
+ && stat.gid != JnaUtils.getegid() ) {
+ LOGGER.debug("Not adjusting permissions to prevent clearing suid/sgid bits for '" + path + "'" );
+ return 0;
+ }
+ }
+
+ // If the owner has no write access, delete it from group and other, too.
+ if ((mode & JnaUtils.S_IWUSR) == 0) perm &= ~0222;
+ // If the owner has execute access, set it for all blocks that have read access.
+ if ((mode & JnaUtils.S_IXUSR) == JnaUtils.S_IXUSR) perm |= (perm & 0444) >> 2;
+
+ if (configShared.isCustom()) {
+ // Use the custom value for access permissions.
+ mode = (mode & ~0777) | perm;
+ }
+ else {
+ // Just add necessary bits to existing permissions.
+ mode |= perm;
+ }
+
+ if (path.isDirectory()) {
+ mode |= (mode & 0444) >> 2;
+ mode |= JnaUtils.S_ISGID;
+ }
+
+ return JnaUtils.setFilemode(path, mode);
}
@@ -662,6 +742,8 @@
try {
if (tree == null) {
ObjectId object = getDefaultBranch(repository);
+ if (object == null)
+ return null;
RevCommit commit = rw.parseCommit(object);
tree = commit.getTree();
}
--
Gitblit v1.9.1