tweak logging & add token deletion

liberals/logging.js

@@ -11,7 +11,16 @@ function logRequest(response,request,code,extra) {
     } else {
         actualExtra = ""
     }
-    console.log(`${request.get("cf-connecting-ip") ?? request.ip} (${request.get("Authorization")}) ${request.method} ${request.path} returned ${code}${actualExtra}`)
+    if (request.get("Authorization")) {
+        actualAuth = `(${request.get("Authorization")})`
+    } else {
+        actualAuth = ""
+    }
+    //           Client IP if connecting over Cloudflare, else IP as received by Express
+    //           |                                      /        Token used (if provided)
+    //           |                                     /         |            Request Method    Request Path             Status code returned to client provided by function call   
+    //           V                                    V          V            V                 V                        V      Extra information if provided by function call
+    console.log(`${request.get("cf-connecting-ip") ?? request.ip}${actualAuth}${request.method} ${request.path} returned ${code}${actualExtra}`)
 }
 
 module.exports = { logRequest }

routes/auth.js

@@ -0,0 +1,34 @@
+const { globalConfig, app } = require("../index.js")
+const { logRequest } = require("../liberals/logging.js")
+
+app.delete("/api/token", (rreq,rres) => {
+    fetch(`${globalConfig.couchdbHost}/auth/sessions`).then(res => res.json()).then(fetchRes => {
+        if (fetchRes.sessions[rreq.get("Authorization")]) {
+            delete fetchRes.sessions[rreq.get("Authorization")]
+            fetch(`${globalConfig.couchdbHost}/auth/sessions`, {
+                method: "PUT",
+                headers: {
+                    "If-Match": fetchRes._rev
+                },
+                body: JSON.stringify({
+                    sessions: fetchRes.sessions
+                })
+                
+            }).then(res => {
+                if (res.status == 201) {
+                    rres.sendStatus(200)
+                } else {
+                    logRequest(rres,rreq,500,`Token invalidation may have failed: ${res.status} ${res.statusText}`)
+                    rres.sendStatus(500)
+                }
+            }).catch(fetchError => {
+                logRequest(rres,rreq,500,fetchError)
+                rres.sendStatus(500)
+            })
+        } else {
+            rres.sendStatus(400)
+        }
+    })
+})
+
+module.exports = {app}