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The following commit(s) were added to refs/heads/main by this push:
new 1ddae6c19a Refactor duplicate code for extracting just the media type
and subtype
1ddae6c19a is described below
commit 1ddae6c19a3c3d053080992c2823ed802478bbee
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Nov 15 11:08:13 2024 +0000
Refactor duplicate code for extracting just the media type and subtype
---
java/org/apache/catalina/connector/Request.java | 17 +++--------
java/org/apache/catalina/filters/CorsFilter.java | 19 ++----------
.../apache/tomcat/util/http/parser/MediaType.java | 34 ++++++++++++++++++++++
3 files changed, 40 insertions(+), 30 deletions(-)
diff --git a/java/org/apache/catalina/connector/Request.java
b/java/org/apache/catalina/connector/Request.java
index b3758a48f3..3fab3f11e9 100644
--- a/java/org/apache/catalina/connector/Request.java
+++ b/java/org/apache/catalina/connector/Request.java
@@ -114,6 +114,7 @@ import
org.apache.tomcat.util.http.fileupload.impl.InvalidContentTypeException;
import org.apache.tomcat.util.http.fileupload.impl.SizeException;
import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext;
import org.apache.tomcat.util.http.parser.AcceptLanguage;
+import org.apache.tomcat.util.http.parser.MediaType;
import org.apache.tomcat.util.http.parser.Upgrade;
import org.apache.tomcat.util.net.SSLSupport;
import org.apache.tomcat.util.res.StringManager;
@@ -2792,19 +2793,9 @@ public class Request implements HttpServletRequest {
return;
}
- String contentType = getContentType();
- if (contentType == null) {
- contentType = "";
- }
- int semicolon = contentType.indexOf(';');
- if (semicolon >= 0) {
- contentType = contentType.substring(0, semicolon).trim();
- } else {
- contentType = contentType.trim();
- }
- contentType = contentType.toLowerCase(Locale.ENGLISH);
+ String mediaType = MediaType.parseMediaTypeOnly(getContentType());
- if ("multipart/form-data".equals(contentType)) {
+ if ("multipart/form-data".equals(mediaType)) {
parseParts();
if (partsParseException instanceof IllegalStateException) {
parametersParseException = (IllegalStateException)
partsParseException;
@@ -2818,7 +2809,7 @@ public class Request implements HttpServletRequest {
return;
}
- if (!("application/x-www-form-urlencoded".equals(contentType))) {
+ if (!("application/x-www-form-urlencoded".equals(mediaType))) {
return;
}
diff --git a/java/org/apache/catalina/filters/CorsFilter.java
b/java/org/apache/catalina/filters/CorsFilter.java
index 504af77dcf..a12b394c4e 100644
--- a/java/org/apache/catalina/filters/CorsFilter.java
+++ b/java/org/apache/catalina/filters/CorsFilter.java
@@ -39,6 +39,7 @@ import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.http.RequestUtil;
import org.apache.tomcat.util.http.ResponseUtil;
+import org.apache.tomcat.util.http.parser.MediaType;
import org.apache.tomcat.util.res.StringManager;
/**
@@ -566,7 +567,7 @@ public class CorsFilter extends GenericFilter {
} else if ("GET".equals(method) || "HEAD".equals(method)) {
requestType = CORSRequestType.SIMPLE;
} else if ("POST".equals(method)) {
- String mediaType =
getMediaType(request.getContentType());
+ String mediaType =
MediaType.parseMediaTypeOnly(request.getContentType());
if (mediaType == null) {
requestType = CORSRequestType.SIMPLE;
} else {
@@ -589,22 +590,6 @@ public class CorsFilter extends GenericFilter {
}
- /**
- * Return the lower case, trimmed value of the media type from the content
type.
- */
- private String getMediaType(String contentType) {
- if (contentType == null) {
- return null;
- }
- String result = contentType.toLowerCase(Locale.ENGLISH);
- int firstSemiColonIndex = result.indexOf(';');
- if (firstSemiColonIndex > -1) {
- result = result.substring(0, firstSemiColonIndex);
- }
- result = result.trim();
- return result;
- }
-
/**
* Checks if the Origin is allowed to make a CORS request.
*
diff --git a/java/org/apache/tomcat/util/http/parser/MediaType.java
b/java/org/apache/tomcat/util/http/parser/MediaType.java
index f89f12444b..2f1f0c981f 100644
--- a/java/org/apache/tomcat/util/http/parser/MediaType.java
+++ b/java/org/apache/tomcat/util/http/parser/MediaType.java
@@ -169,4 +169,38 @@ public class MediaType {
return new MediaType(type, subtype, parameters);
}
+
+ /**
+ * A simplified media type parser that removes any parameters and just
returns the media type and the subtype.
+ *
+ * @param input The input string to parse
+ *
+ * @return The media type and subtype from the input trimmed and converted
to lower case
+ */
+ public static String parseMediaTypeOnly(String input) {
+
+ if (input == null) {
+ return null;
+ }
+
+ /*
+ * Parsing the media type and subtype as tokens as in the
parseMediaType() method would further validate the
+ * input but is not currently necessary given how the return value
from this method is currently used. The
+ * return value from this method is always compared to a set of
allowed or expected values so any non-compliant
+ * values will be rejected / ignored at that stage.
+ */
+ String result;
+
+ // Remove parameters
+ int semicolon = input.indexOf(';');
+ if (semicolon > -1) {
+ result = input.substring(0, semicolon);
+ } else {
+ result = input;
+ }
+
+ result = result.trim();
+ result = result.toLowerCase(Locale.ENGLISH);
+ return result;
+ }
}
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