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base64 JSON загрузка вместо FormData/multipart — обход лимита Ingress, v1.21

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naeel
2026-06-17 18:29:34 +04:00
parent 2615e781ce
commit 5c0fb98955
2 changed files with 78 additions and 32 deletions
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site/app.py
+42
View File
@@ -78,6 +78,7 @@ class ContractsApp:
self.app.add_url_rule("/", "index", self._index, methods=["GET", "POST"])
self.app.add_url_rule("/parse/<cid>", "parse", self._parse, methods=["GET"])
self.app.add_url_rule("/chunk", "chunk", self._chunk_upload, methods=["POST"])
self.app.add_url_rule("/upload", "upload_json", self._upload_json, methods=["POST"])
self.app.add_url_rule("/health", "health", self._health)
self.app.register_blueprint(test_bp)
self.app.register_blueprint(upload_bp)
@@ -129,6 +130,47 @@ class ContractsApp:
return jsonify({"contract_id": str(contract_id)})
# ── Загрузка base64 (JSON) ──────────────────────────────────
def _upload_json(self):
"""Принять файл как base64 в JSON. Обходит проблему FormData/multipart."""
data = request.get_json(silent=True)
if not data:
return jsonify({"error": "Нет JSON"}), 400
filename = data.get("filename", "")
b64 = data.get("data", "")
if not filename or not b64:
return jsonify({"error": "Нет filename или data"}), 400
import base64 as b64mod
try:
file_bytes = b64mod.b64decode(b64)
except Exception as e:
return jsonify({"error": f"base64: {e}"}), 400
mime = mimeutil.guess_mime(filename) or "application/octet-stream"
cid = data.get("cid")
if cid:
contract_id = cid
else:
conn, err = db.connect()
if err:
return jsonify({"error": f"БД: {err}"}), 500
cur = conn.cursor()
cur.execute(
"INSERT INTO contracts (number, client) VALUES (%s, %s) RETURNING id",
("б/н " + __import__("datetime").datetime.now().strftime("%Y%m%d-%H%M"), ""),
)
contract_id = cur.fetchone()[0]
conn.commit()
cur.close()
db.put_conn(conn)
doc_id = _save_file_to_db(filename, file_bytes, mime, str(contract_id))
return jsonify({"contract_id": str(contract_id), "doc_id": str(doc_id) if doc_id else None})
# ── Чанковая загрузка ──────────────────────────────────────
def _chunk_upload(self):
site/templates/upload.html
+36 -32
View File
@@ -59,7 +59,7 @@
<body>
<div class="topbar">
<img src="{{ url_for('static', filename='nubes-logo.svg') }}" alt="Nubes">
<span class="title">Сверка договоров <span style="font-weight:400;color:var(--muted);font-size:12px;">v1.20</span></span>
<span class="title">Сверка договоров <span style="font-weight:400;color:var(--muted);font-size:12px;">v1.21</span></span>
</div>
<div class="content">
@@ -155,24 +155,36 @@
window.removeFile = removeFile;
// ── Чанковая загрузка (50KB) ────────────────────────────────
// ── Загрузка base64 (JSON) ──────────────────────────────────
async function uploadFileChunked(file, cid, onProgress) {
var CHUNK_SIZE = 50 * 1024;
var totalChunks = Math.ceil(file.size / CHUNK_SIZE);
var uploadId = file.name + '_' + Date.now() + '_' + Math.random().toString(36).substr(2, 6);
var totalSent = 0;
var lastResp = null;
function readFileAsBase64(file, onProgress) {
return new Promise(function(resolve, reject) {
var reader = new FileReader();
reader.onprogress = function(e) {
if (e.lengthComputable && onProgress) onProgress(Math.round(e.loaded / e.total * 20));
};
reader.onload = function() {
var b64 = reader.result.split(',')[1];
resolve(b64);
};
reader.onerror = function() { reject(new Error('Read error')); };
reader.readAsDataURL(file);
});
}
for (var i = 0; i < totalChunks; i++) {
var start = i * CHUNK_SIZE;
var end = Math.min(start + CHUNK_SIZE, file.size);
var chunk = file.slice(start, end);
var resp = await new Promise(function(resolve, reject) {
function uploadFileJSON(file, cid, onProgress) {
return new Promise(function(resolve, reject) {
readFileAsBase64(file, onProgress).then(function(b64) {
var xhr = new XMLHttpRequest();
xhr.open('POST', '/chunk');
xhr.timeout = 60000;
xhr.open('POST', '/upload');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.timeout = 120000;
xhr.upload.onprogress = function(e) {
if (e.lengthComputable && onProgress) {
onProgress(20 + Math.round(e.loaded / e.total * 80));
}
};
xhr.onload = function() {
if (xhr.status === 200) {
@@ -188,21 +200,13 @@
xhr.onerror = function() { reject(new Error('Сеть')); };
xhr.ontimeout = function() { reject(new Error('Таймаут')); };
var fd = new FormData();
fd.append('chunk', chunk);
fd.append('upload_id', uploadId);
fd.append('filename', file.name);
fd.append('chunk_index', i);
fd.append('total_chunks', totalChunks);
if (cid) fd.append('cid', cid);
xhr.send(fd);
});
if (resp && resp.contract_id) lastResp = resp;
totalSent += (end - start);
if (onProgress) onProgress(Math.round(totalSent / file.size * 100));
}
return lastResp;
xhr.send(JSON.stringify({
filename: file.name,
data: b64,
cid: cid || null
}));
}).catch(reject);
});
}
// ── Выбор файла → сразу загрузка ────────────────────────────
@@ -226,7 +230,7 @@
var startTime = Date.now();
try {
var resp = await uploadFileChunked(f, contractId, function(pct) {
var resp = await uploadFileJSON(f, contractId, function(pct) {
fileQueue[rowIdx].status = '<span style="color:var(--muted);">↑ ' + pct + '%</span>';
renderTable();
});