From 049b02aab13190b3b12d2a255e30c955f02f9da2 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 29 May 2023 14:03:08 +0100
Subject: [PATCH] [chore]: Bump github.com/microcosm-cc/bluemonday from 1.0.23
 to 1.0.24 (#1843)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
---
 go.mod                                               |  2 +-
 go.sum                                               |  4 ++--
 vendor/github.com/microcosm-cc/bluemonday/policy.go  | 12 ++++++++++++
 .../github.com/microcosm-cc/bluemonday/sanitize.go   |  6 ++++++
 vendor/modules.txt                                   |  2 +-
 5 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/go.mod b/go.mod
index ec3bd02cb..6bd979989 100644
--- a/go.mod
+++ b/go.mod
@@ -34,7 +34,7 @@ require (
 	github.com/h2non/filetype v1.1.3
 	github.com/jackc/pgconn v1.14.0
 	github.com/jackc/pgx/v5 v5.3.1
-	github.com/microcosm-cc/bluemonday v1.0.23
+	github.com/microcosm-cc/bluemonday v1.0.24
 	github.com/miekg/dns v1.1.54
 	github.com/minio/minio-go/v7 v7.0.55
 	github.com/mitchellh/mapstructure v1.5.0
diff --git a/go.sum b/go.sum
index 06d18dc7d..cd78a43d1 100644
--- a/go.sum
+++ b/go.sum
@@ -443,8 +443,8 @@ github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27k
 github.com/mattn/go-isatty v0.0.18 h1:DOKFKCQ7FNG2L1rbrmstDN4QVRdS89Nkh85u68Uwp98=
 github.com/mattn/go-isatty v0.0.18/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
-github.com/microcosm-cc/bluemonday v1.0.23 h1:SMZe2IGa0NuHvnVNAZ+6B38gsTbi5e4sViiWJyDDqFY=
-github.com/microcosm-cc/bluemonday v1.0.23/go.mod h1:mN70sk7UkkF8TUr2IGBpNN0jAgStuPzlK76QuruE/z4=
+github.com/microcosm-cc/bluemonday v1.0.24 h1:NGQoPtwGVcbGkKfvyYk1yRqknzBuoMiUrO6R7uFTPlw=
+github.com/microcosm-cc/bluemonday v1.0.24/go.mod h1:ArQySAMps0790cHSkdPEJ7bGkF2VePWH773hsJNSHf8=
 github.com/miekg/dns v1.1.54 h1:5jon9mWcb0sFJGpnI99tOMhCPyJ+RPVz5b63MQG0VWI=
 github.com/miekg/dns v1.1.54/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
diff --git a/vendor/github.com/microcosm-cc/bluemonday/policy.go b/vendor/github.com/microcosm-cc/bluemonday/policy.go
index c446fad0f..995f46c2d 100644
--- a/vendor/github.com/microcosm-cc/bluemonday/policy.go
+++ b/vendor/github.com/microcosm-cc/bluemonday/policy.go
@@ -117,6 +117,10 @@ type Policy struct {
 	// returning true are allowed.
 	allowURLSchemes map[string][]urlPolicy
 
+	// These regexps are used to match allowed URL schemes, for example
+	// if one would want to allow all URL schemes, they would add `.+`
+	allowURLSchemeRegexps []*regexp.Regexp
+
 	// If an element has had all attributes removed as a result of a policy
 	// being applied, then the element would be removed from the output.
 	//
@@ -221,6 +225,7 @@ func (p *Policy) init() {
 		p.elsMatchingAndStyles = make(map[*regexp.Regexp]map[string][]stylePolicy)
 		p.globalStyles = make(map[string][]stylePolicy)
 		p.allowURLSchemes = make(map[string][]urlPolicy)
+		p.allowURLSchemeRegexps = make([]*regexp.Regexp, 0)
 		p.setOfElementsAllowedWithoutAttrs = make(map[string]struct{})
 		p.setOfElementsToSkipContent = make(map[string]struct{})
 		p.initialized = true
@@ -563,6 +568,13 @@ func (p *Policy) AllowElementsMatching(regex *regexp.Regexp) *Policy {
 	return p
 }
 
+// AllowURLSchemesMatching will append URL schemes to the allowlist if they
+// match a regexp.
+func (p *Policy) AllowURLSchemesMatching(r *regexp.Regexp) *Policy {
+	p.allowURLSchemeRegexps = append(p.allowURLSchemeRegexps, r)
+	return p
+}
+
 // RequireNoFollowOnLinks will result in all a, area, link tags having a
 // rel="nofollow"added to them if one does not already exist
 //
diff --git a/vendor/github.com/microcosm-cc/bluemonday/sanitize.go b/vendor/github.com/microcosm-cc/bluemonday/sanitize.go
index 104614583..9121aefb0 100644
--- a/vendor/github.com/microcosm-cc/bluemonday/sanitize.go
+++ b/vendor/github.com/microcosm-cc/bluemonday/sanitize.go
@@ -852,6 +852,7 @@ func (p *Policy) sanitizeStyles(attr html.Attribute, elementName string) html.At
 	}
 
 	//Add semi-colon to end to fix parsing issue
+	attr.Val = strings.TrimRight(attr.Val, " ")
 	if len(attr.Val) > 0 && attr.Val[len(attr.Val)-1] != ';' {
 		attr.Val = attr.Val + ";"
 	}
@@ -969,6 +970,11 @@ func (p *Policy) validURL(rawurl string) (string, bool) {
 		}
 
 		if u.Scheme != "" {
+			for _, r := range p.allowURLSchemeRegexps {
+				if r.MatchString(u.Scheme) {
+					return u.String(), true
+				}
+			}
 
 			urlPolicies, ok := p.allowURLSchemes[u.Scheme]
 			if !ok {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 3977421e9..ae48d100f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -374,7 +374,7 @@ github.com/magiconair/properties
 # github.com/mattn/go-isatty v0.0.18
 ## explicit; go 1.15
 github.com/mattn/go-isatty
-# github.com/microcosm-cc/bluemonday v1.0.23
+# github.com/microcosm-cc/bluemonday v1.0.24
 ## explicit; go 1.19
 github.com/microcosm-cc/bluemonday
 github.com/microcosm-cc/bluemonday/css