add cfssl.sh

contrib/README.md

@@ -10,7 +10,12 @@
 * modify `10.13.1.1` as necessary if you wish to support browsers without javascript
 
 ### [`explorer-nothumbs-nofoldertypes.reg`](explorer-nothumbs-nofoldertypes.reg)
-disables thumbnails and folder-type detection in windows explorer, makes it way faster (especially for slow/networked locations (such as copyparty-fuse))
+* disables thumbnails and folder-type detection in windows explorer
+* makes it way faster (especially for slow/networked locations (such as copyparty-fuse))
+
+### [`cfssl.sh`](cfssl.sh)
+* creates CA and server certificates using cfssl
+* give a 3rd argument to install it to your copyparty config
 
 # OS integration
 init-scripts to start copyparty as a service

contrib/cfssl.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+set -e
+
+# ca-name and server-name
+ca_name="$1"
+srv_name="$2"
+
+[ -z "$srv_name" ] && {
+	echo "need arg 1: ca name"
+	echo "need arg 2: server name"
+	exit 1
+}
+
+
+gen_ca() {
+	(tee /dev/stderr <<EOF
+{"CN": "$ca_name ca",
+"CA": {"expiry":"87600h", "pathlen":0},
+"key": {"algo":"rsa", "size":4096},
+"names": [{"O":"$ca_name ca"}]}
+EOF
+	)|
+	cfssl gencert -initca - |
+	cfssljson -bare ca
+	
+	mv ca-key.pem ca.key
+	rm ca.csr
+}
+
+
+gen_srv() {
+	(tee /dev/stderr <<EOF
+{"key": {"algo":"rsa", "size":4096},
+"names": [{"O":"$ca_name - $srv_name"}]}
+EOF
+	)|
+	cfssl gencert -ca ca.pem -ca-key ca.key \
+		-profile=www -hostname="$srv_name.$ca_name" - |
+	cfssljson -bare "$srv_name"
+
+	mv "$srv_name-key.pem" "$srv_name.key"
+	rm "$srv_name.csr"
+}
+
+
+# create ca if not exist
+[ -e ca.key ] ||
+	gen_ca
+
+# always create server cert
+gen_srv
+
+
+# dump cert info
+show() {
+	openssl x509 -text -noout -in $1 |
+	awk '!o; {o=0} /[0-9a-f:]{16}/{o=1}'
+}
+show ca.pem
+show "$srv_name.pem"
+
+
+# write cert into copyparty config
+[ -z "$3" ] || {
+	mkdir -p ~/.config/copyparty
+	cat "$srv_name".{key,pem} ca.pem >~/.config/copyparty/cert.pem 
+}
+
+
+# rm *.key *.pem
+# cfssl print-defaults config
+# cfssl print-defaults csr