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try to fix share target api

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schlagmichdoch 2023-03-09 17:03:44 +01:00
parent 1bb8a63eed
commit 251df2fbff
4 changed files with 128 additions and 60 deletions
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72
public/service-worker.js
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@ -71,30 +71,12 @@ const update = request =>
self.addEventListener('fetch', function(event) {
if (event.request.method === "POST") {
// Requests related to Web Share Target.
event.respondWith(
(async () => {
const formData = await event.request.formData();
const title = formData.get("title");
const text = formData.get("text");
const url = formData.get("url");
const files = formData.get("files");
let share_url = "/";
if (files.length > 0) {
share_url = "/?share-target=files";
const db = await window.indexedDB.open('pairdrop_store');
const tx = db.transaction('share_target_files', 'readwrite');
const store = tx.objectStore('share_target_files');
for (let i=0; i<files.length; i++) {
await store.add(files[i]);
}
await tx.complete
db.close()
} else if (title.length > 0 || text.length > 0 || url.length) {
share_url = `/?share-target=text&title=${title}&text=${text}&url=${url}`;
}
return Response.redirect(encodeURI(share_url), 303);
})()
);
evaluateRequestData(event.request).then(share_url => {
console.debug(share_url);
event.respondWith(
Response.redirect(encodeURI(share_url), 302)
);
})
} else {
// Regular requests not related to Web Share Target.
event.respondWith(
@ -119,3 +101,45 @@ self.addEventListener('activate', evt =>
})
)
);
const evaluateRequestData = async function (request) {
const formData = await request.formData();
const title = formData.get("title");
const text = formData.get("text");
const url = formData.get("url");
const files = formData.getAll("files");
console.debug(files)
let fileObjects = [];
for (let i=0; i<files.length; i++) {
fileObjects.push({
name: files[i].name,
buffer: await files[i].arrayBuffer()
});
}
return new Promise((resolve, reject) => {
if (fileObjects?.length > 0) {
const DBOpenRequest = indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = (e) => {
const db = e.target.result;
for (let i = 0; i < fileObjects.length; i++) {
const transaction = db.transaction('share_target_files', 'readwrite');
const objectStore = transaction.objectStore('share_target_files');
const objectStoreRequest = objectStore.add(fileObjects[i]);
objectStoreRequest.onsuccess = _ => {
if (i === fileObjects.length - 1) resolve('/?share-target=files');
}
}
}
DBOpenRequest.onerror = _ => {
resolve('/');
}
} else if (title?.length > 0 || text?.length > 0 || url?.length > 0) {
console.debug(title || text || url);
resolve(`/?share-target=text&title=${title}&text=${text}&url=${url}`);
} else {
resolve('/');
}
});
}