raw: Strip leading and trailing slash from repo and path names for link

When creating a link for raw display, a trailing slash is stripped from
the end of the base URL. Also do this for the repository, as well as
stripping leading slashes from the repository and the path values.

Author: flaix

src/main/java/com/gitblit/servlet/RawServlet.java

@@ -99,6 +99,12 @@ public static String asLink(String baseURL, String repository, String branch, St
 		if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') {
 			baseURL = baseURL.substring(0, baseURL.length() - 1);
 		}
+		if (repository.length() > 0 && repository.charAt(repository.length() - 1) == '/') {
+			repository = repository.substring(0, repository.length() - 1);
+		}
+		if (repository.length() > 0 && repository.charAt(0) == '/') {
+			repository = repository.substring(1);
+		}
 
 		char fsc = '!';
 		char c = GitblitContext.getManager(IRuntimeManager.class).getSettings().getChar(Keys.web.forwardSlashCharacter, '/');
@@ -109,6 +115,9 @@ public static String asLink(String baseURL, String repository, String branch, St
 			branch = Repository.shortenRefName(branch).replace('/', fsc);
 		}
 
+		if (path != null && path.length() > 0 && path.charAt(0) == '/') {
+			path = path.substring(1);
+		}
 		String encodedPath = path == null ? "" : path.replace('/', fsc);
 		return baseURL + Constants.RAW_PATH + repository + "/" + (branch == null ? "" : (branch + "/" + encodedPath));
 	}