From 3db517715bef6a53225c5c3c06e8fc5fd0bf71e3 Mon Sep 17 00:00:00 2001
From: FChannel <>
Date: Sun, 24 Apr 2022 00:46:49 -0700
Subject: basic pass over view posts, post, catalog and manage page connections

---
 util/accept.go | 21 +++++++++++++++++++++
 util/util.go   |  2 +-
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 util/accept.go

(limited to 'util')

diff --git a/util/accept.go b/util/accept.go
new file mode 100644
index 0000000..2765c32
--- /dev/null
+++ b/util/accept.go
@@ -0,0 +1,21 @@
+package util
+
+import (
+	"regexp"
+	"strings"
+)
+
+// False positive for application/ld+ld, application/activity+ld, application/json+json
+var activityRegexp = regexp.MustCompile("application\\/(ld|json|activity)((\\+(ld|json))|$)")
+
+func AcceptActivity(header string) bool {
+	accept := false
+	if strings.Contains(header, ";") {
+		split := strings.Split(header, ";")
+		accept = accept || activityRegexp.MatchString(split[0])
+		accept = accept || strings.Contains(split[len(split)-1], "profile=\"https://www.w3.org/ns/activitystreams\"")
+	} else {
+		accept = accept || activityRegexp.MatchString(header)
+	}
+	return accept
+}
diff --git a/util/util.go b/util/util.go
index a56e871..1feb53a 100644
--- a/util/util.go
+++ b/util/util.go
@@ -29,7 +29,7 @@ func GetActorInstance(path string) (string, string) {
 		}
 	}
 
-	re = regexp.MustCompile(`(https?://)(www)?([\w\d-_.:]+)(/|\s+|\r|\r\n)?$`)
+	re = regexp.MustCompile(`(https?://)?(www)?([\w\d-_.:]+)(/|\s+|\r|\r\n)?$`)
 	mainActor := re.MatchString(path)
 	if mainActor {
 		match := re.FindStringSubmatch(path)
-- 
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