[java-oidc-common] branch main updated: Convert backslashes into double before sending for Jackson to be parsed.

[Henri Mikkonen]

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hjmikkon pushed a commit to branch main
in repository java-oidc-common.

View the commit online:
http://git.shibboleth.net/view/?p=java-oidc-common.git;a=commit;h=31dbe1b438e38201bfb3b1a1c5a57953909518f7

The following commit(s) were added to refs/heads/main by this push:
     new 31dbe1b  Convert backslashes into double before sending for Jackson to be parsed.
31dbe1b is described below

commit 31dbe1b438e38201bfb3b1a1c5a57953909518f7
Author: Henri Mikkonen <henri.mikkonen at iki.fi>
AuthorDate: Thu Dec 2 15:22:04 2021 +0200

    Convert backslashes into double before sending for Jackson to be parsed.
    
    I couldn't find any other way for avoiding Jackson to automatically escaping
    the single backslashes from the JSON claim values.
    
    The metadata policies may contain regular expressions, where single backslashes
    may be used:
    
    "regexp": "^https:\/\/(?:([^.]+).)?example.org\/(.*)"
---
 .../oidc/metadata/cache/impl/DefaultJSONMapParsingStrategy.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/oidc-common-metadata-impl/src/main/java/net/shibboleth/oidc/metadata/cache/impl/DefaultJSONMapParsingStrategy.java b/oidc-common-metadata-impl/src/main/java/net/shibboleth/oidc/metadata/cache/impl/DefaultJSONMapParsingStrategy.java
index 2f77587..888e35e 100644
--- a/oidc-common-metadata-impl/src/main/java/net/shibboleth/oidc/metadata/cache/impl/DefaultJSONMapParsingStrategy.java
+++ b/oidc-common-metadata-impl/src/main/java/net/shibboleth/oidc/metadata/cache/impl/DefaultJSONMapParsingStrategy.java
@@ -83,7 +83,7 @@ public class DefaultJSONMapParsingStrategy<V extends Object>
                 return Collections.emptyList();
             }
             final Map<String, V> parsed = 
-                    objectMapper.readValue(new String(rawMetadata, StandardCharsets.UTF_8), 
+                    objectMapper.readValue(new String(rawMetadata, StandardCharsets.UTF_8).replace("\\", "\\\\"),
                             mapType);
             if (parsed != null) {
                 return List.of(parsed);

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