From 6d18b97b62e64dcb0ba33d9400f29d723c35c6ba Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Fri, 19 Apr 2019 22:35:21 -0400
Subject: [PATCH] dost thou bite thy thumb at me?

---
 fun.go  | 15 +++++++++++++++
 honk.go |  7 ++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/fun.go b/fun.go
index 6805ea7..51978cf 100644
--- a/fun.go
+++ b/fun.go
@@ -296,6 +296,21 @@ func zaggy(keyname string) (key *rsa.PublicKey) {
 	return
 }
 
+func thoudostbitethythumb(userid int64, who string) bool {
+	where := ""
+	m := re_unurl.FindStringSubmatch(who)
+	if len(m) > 2 {
+		where = m[1]
+	}
+	row := stmtThumbBiter.QueryRow(who, where, userid)
+	var id int64
+	err := row.Scan(&id)
+	if err != nil {
+		return false
+	}
+	return true
+}
+
 func keymatch(keyname string, actor string) bool {
 	return strings.HasPrefix(keyname, actor)
 }
diff --git a/honk.go b/honk.go
index b8ac996..a03e293 100644
--- a/honk.go
+++ b/honk.go
@@ -313,6 +313,10 @@ func inbox(w http.ResponseWriter, r *http.Request) {
 		log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 		return
 	}
+	if thoudostbitethythumb(user.ID, who) {
+		log.Printf("ignoring thumb sucker %s", who)
+		return
+	}
 	fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 	WriteJunk(fd, j)
 	io.WriteString(fd, "\n")
@@ -1047,7 +1051,7 @@ var stmtHonksForUser, stmtDeleteHonk, stmtSaveDub *sql.Stmt
 var stmtHonksByHonker, stmtSaveHonk, stmtFileData, stmtWhatAbout *sql.Stmt
 var stmtFindXonk, stmtSaveDonk, stmtFindFile, stmtSaveFile *sql.Stmt
 var stmtAddDoover, stmtGetDoovers, stmtLoadDoover, stmtZapDoover *sql.Stmt
-var stmtZonkIt *sql.Stmt
+var stmtThumbBiter, stmtZonkIt *sql.Stmt
 
 func preparetodie(db *sql.DB, s string) *sql.Stmt {
 	stmt, err := db.Prepare(s)
@@ -1079,6 +1083,7 @@ func prepareStatements(db *sql.DB) {
 	stmtLoadDoover = preparetodie(db, "select tries, username, rcpt, msg from doovers where dooverid = ?")
 	stmtZapDoover = preparetodie(db, "delete from doovers where dooverid = ?")
 	stmtZonkIt = preparetodie(db, "update honks set what = 'zonk' where userid = ? and xid = ?")
+	stmtThumbBiter = preparetodie(db, "select zonkerid from zonkers where ((name = ? and wherefore = 'zonker') or (name = ? and wherefore = 'zurl')) and userid = ?")
 }
 
 func ElaborateUnitTests() {