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63 lines
1.5 KiB
63 lines
1.5 KiB
// Copyright (c) 2020 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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let widgetId = null
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window.onmessage = event => {
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if (!window.parent || !event.data) {
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return
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}
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const request = event.data
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if (!request.requestId || !request.widgetId || !request.action || request.api !== "toWidget") {
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return
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}
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if (widgetId) {
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if (widgetId !== request.widgetId) {
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return
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}
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} else {
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widgetId = request.widgetId
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}
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window.parent.postMessage({
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...request,
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response: request.action === "capabilities" ? {
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capabilities: ["m.sticker"],
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} : {
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error: { message: "Action not supported" },
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},
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}, event.origin)
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}
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export function sendSticker(content) {
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const data = {
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content: {...content},
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// `name` is for Element Web (and also the spec)
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// Element Android uses content -> body as the name
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name: content.body,
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}
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// Custom field that stores the ID even for non-telegram stickers
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delete data.content.id
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// This is for Element iOS
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const widgetData = {
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...data,
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description: content.body,
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file: `${content.id}.png`,
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}
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// Element iOS explodes if there are extra fields present
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delete widgetData.content["net.maunium.telegram.sticker"]
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window.parent.postMessage({
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api: "fromWidget",
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action: "m.sticker",
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requestId: `sticker-${Date.now()}`,
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widgetId,
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data,
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widgetData,
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}, "*")
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}
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