harbour-quill 0.2.12: note markdown con sync WebDAV

2026-08-24 14:16:11 +02:00
commit 73acfbd0b4
26 changed files with 2134 additions and 0 deletions
@@ -0,0 +1,145 @@
+import QtQuick 2.2
+import "PropfindParser.js" as Prop
+
+// Minimal WebDAV client over XMLHttpRequest. One request at a time
+// (busy flag); 30 s watchdog turns hangs into a failed() signal.
+Item {
+    id: dav
+
+    property bool busy: false
+
+    signal listReady(var entries)
+    signal fileReady(string content)
+    signal writeDone()
+    signal deleteDone()
+    signal connOk()
+    signal failed(string message)
+
+    property var currentXhr: null
+
+    Timer {
+        id: watchdog
+        interval: 30000
+        repeat: false
+        onTriggered: {
+            if (dav.currentXhr) {
+                dav.currentXhr.abort()
+                dav.currentXhr = null
+            }
+            dav.busy = false
+            dav.failed(qsTr("Network timeout"))
+        }
+    }
+
+    function authHeader() {
+        var user = appSettings.username
+        if (!user) return ""
+        return "Basic " + Qt.btoa(user + ":" + appSettings.password)
+    }
+
+    function encodeRel(rel) {
+        if (!rel) return rel
+        var parts = rel.split("/")
+        var out = []
+        for (var i = 0; i < parts.length; i++) out.push(encodeURIComponent(parts[i]))
+        return out.join("/")
+    }
+
+    function fullUrl(rel) {
+        var base = String(appSettings.serverUrl).replace(/\s+$/, "")
+        if (!base) return ""
+        if (rel && rel !== "") {
+            if (base.charAt(base.length - 1) !== "/") base += "/"
+            base += encodeRel(rel)
+        }
+        return base
+    }
+
+    function request(method, url, body, onDone) {
+        if (busy) {
+            failed(qsTr("Request already in progress"))
+            return
+        }
+        busy = true
+        var xhr = new XMLHttpRequest()
+        currentXhr = xhr
+        xhr.open(method, url, true)
+        var auth = authHeader()
+        if (auth) xhr.setRequestHeader("Authorization", auth)
+        if (method === "PROPFIND") xhr.setRequestHeader("Depth", "1")
+        if (method === "PUT") xhr.setRequestHeader("Content-Type", "text/markdown; charset=utf-8")
+        xhr.onreadystatechange = function () {
+            if (xhr.readyState !== 4) return
+            watchdog.stop()
+            if (currentXhr === xhr) {
+                currentXhr = null
+                busy = false
+                onDone(xhr)
+            }
+            // else: aborted by the watchdog — already signalled
+        }
+        xhr.send(body || "")
+        watchdog.restart()
+    }
+
+    function listDir(relPath) {
+        request("PROPFIND", fullUrl(relPath || ""), "", function (xhr) {
+            if (xhr.status >= 200 && xhr.status < 300) {
+                var entries = Prop.parse(xhr.responseText, appSettings.serverUrl)
+                listReady(entries)
+            } else {
+                failed(statusMessage(xhr.status))
+            }
+        })
+    }
+
+    function readFile(relPath) {
+        request("GET", fullUrl(relPath), "", function (xhr) {
+            if (xhr.status >= 200 && xhr.status < 300) {
+                fileReady(xhr.responseText)
+            } else {
+                failed(statusMessage(xhr.status))
+            }
+        })
+    }
+
+    function writeFile(relPath, content) {
+        request("PUT", fullUrl(relPath), content, function (xhr) {
+            if (xhr.status >= 200 && xhr.status < 300) {
+                writeDone()
+            } else {
+                failed(statusMessage(xhr.status))
+            }
+        })
+    }
+
+    function deleteFile(relPath) {
+        request("DELETE", fullUrl(relPath), "", function (xhr) {
+            if (xhr.status >= 200 && xhr.status < 300) {
+                deleteDone()
+            } else {
+                failed(statusMessage(xhr.status))
+            }
+        })
+    }
+
+    function testConnection() {
+        request("PROPFIND", fullUrl(""), "", function (xhr) {
+            if (xhr.status >= 200 && xhr.status < 300) {
+                connOk()
+            } else {
+                failed(statusMessage(xhr.status))
+            }
+        })
+    }
+
+    function statusMessage(status) {
+        if (status === 401) return qsTr("Invalid credentials (401)")
+        if (status === 403) return qsTr("Access denied (403)")
+        if (status === 404) return qsTr("Folder not found (404) — check the URL")
+        if (status === 405) return qsTr("WebDAV not available (405) — the URL must point to a DAV folder")
+        if (status === 0) return qsTr("Server unreachable")
+        if (status >= 500) return qsTr("Server error (%1)").arg(status)
+        return qsTr("HTTP error %1").arg(status)
+    }
+}