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codex/alib
@ -8,8 +8,6 @@ import { ArrowLeft, Download, ChevronLeft, ChevronRight, ChevronsLeft, ChevronsR
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import { Input } from "@/components/ui/input";
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import Image from "next/image";
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import { formatBeijingTime } from "@/lib/utils";
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import { toast } from "sonner";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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type FeaturedImage = {
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id: string;
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@ -76,11 +74,18 @@ export default function FeaturedPage() {
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const handleDownload = async (url: string, prompt: string) => {
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try {
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await downloadOriginalImage({ url, name: "featured-image" });
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toast.success("原图已开始下载");
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const response = await fetch(url);
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const blob = await response.blob();
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const blobUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = `featured-${Date.now()}.png`;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.URL.revokeObjectURL(blobUrl);
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} catch (error) {
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console.error("Download failed:", error);
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toast.error(getCanvasImageDownloadErrorMessage(error));
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}
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};
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@ -13,7 +13,6 @@ import { requestLongTaskResult } from "@/lib/client/long-task";
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import { buildImageProxyUrl, getImageDownloadExtension } from "@/lib/image-delivery";
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import { inferOriginalImageUrl } from "@/lib/image-url";
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import { formatBeijingTime } from "@/lib/utils";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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type GalleryImage = {
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id: string;
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@ -60,7 +59,7 @@ function buildGalleryDownloadFilename(url: string, alt: string, contentType: str
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}
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}
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return `${safeBase}.${getImageDownloadExtension(contentType) || extension}`;
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return `${safeBase}-${Date.now()}.${getImageDownloadExtension(contentType) || extension}`;
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}
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export default function GalleryPage() {
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@ -120,11 +119,25 @@ export default function GalleryPage() {
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const parsed = new URL(originalUrl, window.location.origin);
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const source = parsed.pathname === "/api/image-proxy" ? originalUrl : inferOriginalImageUrl(originalUrl);
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await downloadOriginalImage({ url: source, name: buildGalleryDownloadFilename(originalUrl, alt, "") });
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const response = await fetch(
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buildImageProxyUrl(source, { delivery: "original" })
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);
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if (!response.ok) {
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throw new Error(`download failed: ${response.status}`);
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}
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const blob = await response.blob();
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const blobUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = buildGalleryDownloadFilename(originalUrl, alt, blob.type);
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.setTimeout(() => window.URL.revokeObjectURL(blobUrl), 1000);
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toast.success("图片已开始下载");
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} catch (error) {
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console.error("Download failed:", error);
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toast.error(getCanvasImageDownloadErrorMessage(error));
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toast.error(error instanceof Error && error.message.includes("无法确认原图") ? error.message : "原图下载失败，请重试");
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}
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};
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@ -1,11 +1,8 @@
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import crypto from "node:crypto";
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import { isRetiredStorageUrl, RETIRED_STORAGE_MESSAGE } from "@/lib/storage/retired-storage";
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import { NextRequest, NextResponse } from "next/server";
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import { formatDownloadFailure, getDownloadFailure } from "@/lib/canvas/download-error";
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import { createLogger } from "@/lib/observability/logger";
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export const runtime = "nodejs";
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const logger = createLogger("image.download");
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const DEFAULT_QUALITY = 82;
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const MAX_WIDTH = 4096;
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@ -270,17 +267,8 @@ function redirectToDirectImage(target: URL): NextResponse {
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export async function GET(request: NextRequest) {
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const { searchParams } = request.nextUrl;
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const requestId = crypto.randomUUID();
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const downloadFailure = (error: unknown) => {
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const failure = getDownloadFailure(error);
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logger.warn("original_download_failed", error, { requestId, code: failure.code, status: failure.status });
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return NextResponse.json({ error: formatDownloadFailure(failure, requestId), failure, requestId }, {
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status: failure.status, headers: { "Cache-Control": "no-store" },
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});
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};
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const rawUrl = (searchParams.get("url") || "").trim();
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if (isRetiredStorageUrl(rawUrl)) {
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if (searchParams.get("original") === "1") return downloadFailure(RETIRED_STORAGE_MESSAGE);
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return NextResponse.json({ error: RETIRED_STORAGE_MESSAGE, code: "storage_retired" }, { status: 410 });
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}
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if (!rawUrl) {
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@ -318,18 +306,6 @@ export async function GET(request: NextRequest) {
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);
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}
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if (original && searchParams.get("download") === "resolve") {
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try {
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const { buildImageProxyUrl } = await import("@/lib/image-delivery");
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buildImageProxyUrl(target.toString(), { delivery: "original" });
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const { resolveOriginalCdnDownload } = await import("@/lib/storage/original-image-download");
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const direct = await resolveOriginalCdnDownload(target.toString(), searchParams.get("name") || "", request.signal);
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return NextResponse.json(direct || { delivery: "proxy" }, { headers: { "Cache-Control": "no-store" } });
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} catch (error) {
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return downloadFailure(error);
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}
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}
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if (!forceProxy && !original) {
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const directImageTarget = resolveDirectImageTarget(
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request,
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@ -370,11 +346,10 @@ export async function GET(request: NextRequest) {
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const fetchSignal = AbortSignal.any([
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request.signal,
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AbortSignal.timeout(original ? 60_000 : width && width <= 256 ? SMALL_PREVIEW_FETCH_TIMEOUT_MS : FETCH_TIMEOUT_MS),
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AbortSignal.timeout(width && width <= 256 ? SMALL_PREVIEW_FETCH_TIMEOUT_MS : FETCH_TIMEOUT_MS),
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]);
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const upstreamFailure = (error: unknown) => {
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if (request.signal.aborted) return new NextResponse(null, { status: 499 });
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if (original) return downloadFailure(error);
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const timedOut = (error instanceof Error && error.name === "TimeoutError") || fetchSignal.reason?.name === "TimeoutError";
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return NextResponse.json(
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{ error: timedOut ? "读取源图片超时，请重试" : "源图片传输中断，请重试" },
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@ -394,7 +369,6 @@ export async function GET(request: NextRequest) {
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}
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if (!upstreamResponse.ok) {
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if (original) return downloadFailure(`HTTP ${upstreamResponse.status}`);
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return NextResponse.json(
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{ error: `Upstream responded with ${upstreamResponse.status}` },
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{ status: 502 }
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@ -403,7 +377,6 @@ export async function GET(request: NextRequest) {
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const contentType = upstreamResponse.headers.get("content-type") || "application/octet-stream";
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if (!contentType.toLowerCase().startsWith("image/")) {
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if (original) return downloadFailure("Source is not an image");
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return NextResponse.json({ error: "Upstream is not an image" }, { status: 400 });
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}
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@ -1,5 +1,4 @@
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"use client";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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import { useChat } from "@ai-sdk/react";
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import { DefaultChatTransport } from "ai";
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@ -576,11 +575,31 @@ export function AgentGenerationWorkspace({
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toast.error("图片地址无效");
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return;
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}
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const filename = buildDownloadFilename(raw);
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try {
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await downloadOriginalImage({ url: raw, name: buildDownloadFilename(raw) });
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toast.success("原图已开始下载");
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} catch (error) {
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toast.error(getCanvasImageDownloadErrorMessage(error));
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const response = await fetch(raw);
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if (!response.ok) {
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throw new Error(`download failed: ${response.status}`);
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}
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const blob = await response.blob();
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const blobUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = filename;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.URL.revokeObjectURL(blobUrl);
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} catch {
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const link = document.createElement("a");
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link.href = raw;
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link.target = "_blank";
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link.rel = "noopener noreferrer";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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toast.message("已打开原图，可右键另存为");
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}
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}, []);
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@ -1,5 +1,4 @@
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"use client";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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import { useChat } from "@ai-sdk/react";
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import { appendGenerationMessage, mergeGenerationHistory, parseAppendedGenerationMessage, recoverReplacementRun } from "@/lib/agents/replacement-run-recovery";
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@ -6794,11 +6793,31 @@ export function AgentGenerationWorkspaceDarkV2({
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toast.error("图片地址无效");
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return;
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}
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const filename = buildDownloadFilename(raw);
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try {
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await downloadOriginalImage({ url: raw, name: buildDownloadFilename(raw) });
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toast.success("原图已开始下载");
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} catch (error) {
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toast.error(getCanvasImageDownloadErrorMessage(error));
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const response = await fetch(raw);
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if (!response.ok) {
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throw new Error(`download failed: ${response.status}`);
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}
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const blob = await response.blob();
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const blobUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = filename;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.URL.revokeObjectURL(blobUrl);
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} catch {
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const link = document.createElement("a");
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link.href = raw;
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link.target = "_blank";
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link.rel = "noopener noreferrer";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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toast.message("已打开原图，可右键另存为");
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}
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}, []);
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const uploadBase64ResultToStorage = useCallback(async (base64Url: string) => {
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@ -1,5 +1,4 @@
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"use client";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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import { useChat } from "@ai-sdk/react";
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import { DefaultChatTransport } from "ai";
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@ -726,11 +725,30 @@ export function AgentGenerationWorkspaceNew({
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toast.error("图片地址无效");
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return;
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}
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const filename = buildDownloadFilename(raw);
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try {
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await downloadOriginalImage({ url: raw, name: buildDownloadFilename(raw) });
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toast.success("原图已开始下载");
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} catch (error) {
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toast.error(getCanvasImageDownloadErrorMessage(error));
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const response = await fetch(raw);
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if (!response.ok) {
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throw new Error(`download failed: ${response.status}`);
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}
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const blob = await response.blob();
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const blobUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = blobUrl;
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link.download = filename;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.URL.revokeObjectURL(blobUrl);
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} catch {
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const link = document.createElement("a");
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link.href = raw;
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link.target = "_blank";
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link.rel = "noopener noreferrer";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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toast.message("已打开原图，可右键另存为");
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}
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}, []);
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@ -5,8 +5,7 @@ import dynamic from "next/dynamic";
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import React, { useState, useEffect } from "react";
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import { X, Download, Edit, Target, Paintbrush, Sparkles, Scissors, Expand, Maximize2, Move3D, Droplet } from "lucide-react";
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import { toast } from "sonner";
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import { buildImageProxyUrl } from "@/lib/image-delivery";
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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import { buildImageProxyUrl, getImageDownloadExtension } from "@/lib/image-delivery";
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const ImageAnnotator = dynamic(
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() => import("./image-annotator").then((module) => module.ImageAnnotator),
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@ -24,6 +23,25 @@ const AngleEditDialog = dynamic(
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}
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);
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function triggerBrowserDownload(
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url: string,
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filename?: string,
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options?: { openInNewTab?: boolean }
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) {
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const link = document.createElement("a");
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link.href = url;
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if (filename) {
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link.download = filename;
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}
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if (options?.openInNewTab) {
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link.target = "_blank";
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}
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link.rel = "noopener noreferrer";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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export function ImagePreview({
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src,
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alt,
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@ -220,12 +238,24 @@ export function ImagePreview({
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toast.error("下载失败，请重试");
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return;
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}
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const filenameBase = `generated-image-${Date.now()}`;
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try {
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await downloadOriginalImage({ url: safeOriginalUrl });
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toast.success("原图已开始下载");
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const response = await fetch(
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buildImageProxyUrl(safeOriginalUrl, { delivery: "original" })
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);
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if (!response.ok) {
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throw new Error(`下载失败（${response.status}）`);
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}
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const blob = await response.blob();
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const extension = getImageDownloadExtension(blob.type);
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const filename = extension ? `${filenameBase}.${extension}` : filenameBase;
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const url = window.URL.createObjectURL(blob);
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triggerBrowserDownload(url, filename);
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window.URL.revokeObjectURL(url);
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toast.success("下载成功");
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} catch (error) {
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console.error("下载失败:", error);
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toast.error(getCanvasImageDownloadErrorMessage(error));
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toast.error(error instanceof Error && error.message.includes("无法确认原图") ? error.message : "原图下载失败，请重试");
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}
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};
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@ -307,18 +337,9 @@ export function ImagePreview({
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}}
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loading="lazy"
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decoding="async"
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onLoad={(event) => {
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event.currentTarget.style.aspectRatio = "";
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event.currentTarget.parentElement?.style.removeProperty("width");
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event.currentTarget.alt = "Generated Image";
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}}
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onError={(event) => {
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if (event.currentTarget.src !== (thumbnail || original)) {
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event.currentTarget.src = thumbnail || original;
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} else if (!compactGrid) {
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event.currentTarget.style.aspectRatio = "1";
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event.currentTarget.parentElement?.style.setProperty("width", "100%");
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event.currentTarget.alt = "预览暂不可用，可尝试下载原图";
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}
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}}
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onClick={() => setIsOpen(true)}
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@ -9,7 +9,6 @@ import { Button } from "./ui/button";
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import { X, Download, Target, Paintbrush } from "lucide-react";
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import { toast } from "sonner";
|
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import { ImageAnnotator } from "./image-annotator";
|
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import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
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export const PreviewAttachment = ({
|
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attachment,
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@ -74,11 +73,18 @@ export const PreviewAttachment = ({
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// 下载图片函数
|
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const handleDownload = async () => {
|
||||
try {
|
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await downloadOriginalImage({ url, name: name ?? "image" });
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toast.success("原图已开始下载");
|
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const response = await fetch(url);
|
||||
const blob = await response.blob();
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const downloadUrl = window.URL.createObjectURL(blob);
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const link = document.createElement("a");
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link.href = downloadUrl;
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link.download = name ?? `image-${Date.now()}.jpg`;
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document.body.appendChild(link);
|
||||
link.click();
|
||||
document.body.removeChild(link);
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||||
window.URL.revokeObjectURL(downloadUrl);
|
||||
} catch (error) {
|
||||
console.error("下载失败:", error);
|
||||
toast.error(getCanvasImageDownloadErrorMessage(error));
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@ -1,5 +1,4 @@
|
||||
"use client";
|
||||
import { downloadOriginalImage, getCanvasImageDownloadErrorMessage } from "@/lib/client/canvas-image-download";
|
||||
|
||||
import {
|
||||
ArrowLeft,
|
||||
@ -2074,9 +2073,18 @@ export function SceneFusionView({
|
||||
|
||||
const downloadImage = async (url: string, filename: string) => {
|
||||
try {
|
||||
await downloadOriginalImage({ url, name: filename });
|
||||
} catch (error) {
|
||||
toast.error(getCanvasImageDownloadErrorMessage(error));
|
||||
const response = await fetch(url);
|
||||
const blob = await response.blob();
|
||||
const blobUrl = URL.createObjectURL(blob);
|
||||
const link = document.createElement("a");
|
||||
link.href = blobUrl;
|
||||
link.download = filename;
|
||||
document.body.appendChild(link);
|
||||
link.click();
|
||||
document.body.removeChild(link);
|
||||
setTimeout(() => URL.revokeObjectURL(blobUrl), 100);
|
||||
} catch {
|
||||
window.open(url, "_blank");
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@ -21,7 +21,6 @@ export function getDownloadFailure(error: unknown): DownloadFailure {
|
||||
if (/sharp|pngload|jpegload|unsupported image|无法解析图片|convert|转换/i.test(text)) return failure("IMAGE_CONVERSION_FAILED", "原图无法转换为下载所需的 PNG 文件。", "请保留原图并联系管理员提供下载编号，或重新上传 PNG/JPEG 图片。", 422);
|
||||
if (/upload|存储桶|保存下载|STORAGE_WRITE_FAILED/i.test(text)) return failure("DOWNLOAD_STORAGE_FAILED", "下载文件保存失败，已归档的原图仍然保留。", "请稍后重试；持续失败时联系管理员检查存储，并提供下载编号。", 503, true);
|
||||
if (/未登录/.test(text)) return failure("LOGIN_REQUIRED", "登录状态已失效。", "请重新登录后下载，当前图片不会因此删除。", 401);
|
||||
if (/无法确认原图/.test(text)) return failure("ORIGINAL_IMAGE_UNCONFIRMED", "图片链接包含处理参数，无法确认原图。", "请选择未裁剪、未缩放的原图链接，或重新上传原图。", 400);
|
||||
if (/图片地址无效/.test(text)) return failure("INVALID_IMAGE_URL", "图片地址无效。", "请刷新画布后重新选择图片；仍然失败时请重新上传原图。", 400);
|
||||
return failure("DOWNLOAD_FAILED", "下载准备未能完成。", "请联系管理员并提供下载编号，以便核对原图、转换和存储的具体错误；无需重新生成。", 500, true);
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
import { buildImageProxyUrl, getImageDownloadExtension } from "@/lib/image-delivery";
|
||||
import { buildImageProxyUrl } from "@/lib/image-delivery";
|
||||
import { inferOriginalImageUrl } from "@/lib/image-url";
|
||||
import { formatDownloadFailure, getDownloadFailure, type DownloadFailure } from "@/lib/canvas/download-error";
|
||||
|
||||
@ -176,63 +176,6 @@ function triggerBlobDownload(blob: Blob, filename: string) {
|
||||
window.setTimeout(() => URL.revokeObjectURL(blobUrl), 1000);
|
||||
}
|
||||
|
||||
function triggerCdnDownload(result: { downloadUrl: string; filename: string; bytes?: number }, signal?: AbortSignal) {
|
||||
if (typeof result.downloadUrl !== "string" || new URL(result.downloadUrl).protocol !== "https:") {
|
||||
throw new Error("下载链接无效");
|
||||
}
|
||||
signal?.throwIfAborted();
|
||||
const frame = document.createElement("iframe");
|
||||
frame.hidden = true;
|
||||
frame.src = result.downloadUrl;
|
||||
document.body.appendChild(frame);
|
||||
window.setTimeout(() => frame.remove(), 10 * 60_000);
|
||||
return { filename: result.filename, bytes: result.bytes || 0 };
|
||||
}
|
||||
|
||||
/** Keep the source format and bytes for chat, gallery and reference downloads. */
|
||||
export async function downloadOriginalImage({ url, name, signal, onProgress }: DownloadCanvasImageParams): Promise<CanvasImageDownloadResult> {
|
||||
const source = String(url || "").trim();
|
||||
if (!source) throw new Error("图片地址无效");
|
||||
const proxy = buildImageProxyUrl(source, { delivery: "original" });
|
||||
const filenameBase = sanitizeDownloadName(name || inferDownloadNameFromUrl(source), "image");
|
||||
const target = new URL(proxy, window.location.origin);
|
||||
onProgress?.({ phase: "preparing", message: "正在准备原图..." });
|
||||
const checkedFetch = async (input: string) => {
|
||||
let response: Response;
|
||||
try { response = await fetch(input, { signal }); }
|
||||
catch (error) {
|
||||
if (signal?.aborted) throw error;
|
||||
const failure = getDownloadFailure(error);
|
||||
throw new CanvasImageDownloadError(failure.message, { code: "request_failed", failure });
|
||||
}
|
||||
if (!response.ok) {
|
||||
const payload = await response.json().catch(() => null) as DownloadErrorPayload | null;
|
||||
throw new CanvasImageDownloadError(payload?.error || "原图下载失败", { code: "request_failed",
|
||||
status: response.status, failure: payload?.failure || getDownloadFailure(`HTTP ${response.status}`), requestId: payload?.requestId });
|
||||
}
|
||||
return response;
|
||||
};
|
||||
if (target.origin === window.location.origin && target.pathname === "/api/image-proxy") {
|
||||
target.searchParams.set("download", "resolve");
|
||||
target.searchParams.set("name", filenameBase);
|
||||
const metadata = await checkedFetch(target.pathname + target.search);
|
||||
const delivery = await metadata.json();
|
||||
if (delivery.delivery === "cdn") {
|
||||
const result = triggerCdnDownload(delivery, signal);
|
||||
onProgress?.({ phase: "downloading", message: "已开始下载，可在浏览器下载列表查看进度" });
|
||||
return result;
|
||||
}
|
||||
if (delivery.delivery !== "proxy") throw new Error("下载链接无效");
|
||||
}
|
||||
const response = await checkedFetch(proxy);
|
||||
const blob = await readResponseBlobWithProgress(response, onProgress);
|
||||
if (!blob.type.toLowerCase().startsWith("image/")) throw new Error("Source is not an image");
|
||||
const extension = getImageDownloadExtension(blob.type);
|
||||
const filename = extension ? `${filenameBase}.${extension}` : filenameBase;
|
||||
triggerBlobDownload(blob, filename);
|
||||
return { filename, bytes: blob.size };
|
||||
}
|
||||
|
||||
function toDownloadCandidates(url: string, candidates: string[] = []) {
|
||||
const raw = String(url || "").trim();
|
||||
const originalUrl = String(inferOriginalImageUrl(raw) || raw).trim();
|
||||
@ -404,10 +347,16 @@ export async function downloadCanvasImageAsPng({
|
||||
|
||||
if (response.headers.get("content-type")?.includes("application/json")) {
|
||||
const result = await response.json();
|
||||
if (result.delivery !== "cdn") throw new Error("下载链接无效");
|
||||
const downloaded = triggerCdnDownload(result, signal);
|
||||
if (result.delivery !== "cdn" || typeof result.downloadUrl !== "string"
|
||||
|| new URL(result.downloadUrl).protocol !== "https:") throw new Error("下载链接无效");
|
||||
if (signal?.aborted) throw signal.reason || new DOMException("已取消下载", "AbortError");
|
||||
const frame = document.createElement("iframe");
|
||||
frame.hidden = true;
|
||||
frame.src = result.downloadUrl;
|
||||
document.body.appendChild(frame);
|
||||
window.setTimeout(() => frame.remove(), 10 * 60_000);
|
||||
onProgress?.({ phase: "downloading", message: "已开始下载，可在浏览器下载列表查看进度" });
|
||||
return downloaded;
|
||||
return { filename: result.filename, bytes: result.bytes || 0 };
|
||||
}
|
||||
|
||||
const filename =
|
||||
|
||||
@ -20,8 +20,6 @@ export function getImageDownloadExtension(contentType: string) {
|
||||
"image/avif": "avif",
|
||||
"image/gif": "gif",
|
||||
"image/svg+xml": "svg",
|
||||
"image/bmp": "bmp",
|
||||
"image/tiff": "tiff",
|
||||
};
|
||||
return extensions[mime] || "";
|
||||
}
|
||||
@ -185,8 +183,8 @@ export function buildImageProxyUrl(url: string, options: ImageProxyOptions = {})
|
||||
return source;
|
||||
}
|
||||
|
||||
// The same-origin endpoint can resolve a native CDN download without relying
|
||||
// on cross-origin fetch, while retaining a byte-preserving proxy fallback.
|
||||
// An original download must go through the same-origin byte-preserving
|
||||
// proxy even for trusted storage hosts: a direct fetch may fail CORS.
|
||||
if (options.delivery === "original") {
|
||||
const params = new URLSearchParams({ url: source, original: "1" });
|
||||
return `${IMAGE_PROXY_PATH}?${params.toString()}`;
|
||||
|
||||
@ -89,6 +89,6 @@ export function scheduleImageDownloadPreparation(id?: string) {
|
||||
worker.scanPending = false;
|
||||
}
|
||||
}
|
||||
});
|
||||
}, { durable: true });
|
||||
});
|
||||
}
|
||||
|
||||
@ -1,45 +0,0 @@
|
||||
import "server-only";
|
||||
import { getDefaultStorageConfig } from "@/lib/db/queries";
|
||||
import { findImageArchiveDownloadTask } from "./image-archive-db";
|
||||
import { inferOriginalImageUrl } from "@/lib/image-url";
|
||||
import { getImageDownloadExtension } from "@/lib/image-delivery";
|
||||
import { sanitizeCanvasDownloadFileName } from "@/lib/canvas/photoshop-safe-download";
|
||||
|
||||
/** Resolve the archived original without waiting for a separate PNG conversion. */
|
||||
export async function resolveOriginalCdnDownload(source: string, name: string, signal: AbortSignal) {
|
||||
const config = await getDefaultStorageConfig();
|
||||
if (config?.type !== "qiniu-kodo" || !config.isEnabled || !config.publicUrl) return null;
|
||||
const base = new URL(config.publicUrl);
|
||||
const origin = process.env.CANVAS_QINIU_ORIGIN_URL;
|
||||
let target = new URL(source);
|
||||
if (target.origin !== base.origin && (!origin || target.origin !== new URL(origin).origin)) {
|
||||
const task = await findImageArchiveDownloadTask([...new Set([source, inferOriginalImageUrl(source)])]);
|
||||
target = new URL(task?.targetUrl || source);
|
||||
}
|
||||
if (origin && target.origin === new URL(origin).origin && !target.searchParams.has("token")) {
|
||||
target.host = base.host;
|
||||
target.protocol = base.protocol;
|
||||
}
|
||||
if (base.protocol !== "https:" || target.origin !== base.origin ||
|
||||
!target.pathname.startsWith(base.pathname.replace(/\/$/, "") + "/")) return null;
|
||||
// A Kodo download token signs the complete URL; adding attname would invalidate it.
|
||||
if (target.searchParams.has("token")) return null;
|
||||
|
||||
// Only metadata crosses the application server. The browser receives the file
|
||||
// from the CDN, including when cross-origin fetch is disabled by storage CORS.
|
||||
const response = await fetch(target, {
|
||||
method: "HEAD", cache: "no-store",
|
||||
signal: AbortSignal.any([signal, AbortSignal.timeout(10_000)]),
|
||||
});
|
||||
if (!response.ok) throw new Error(`HTTP ${response.status}`);
|
||||
const contentType = response.headers.get("content-type") || "";
|
||||
if (!contentType.toLowerCase().startsWith("image/")) throw new Error("Source is not an image");
|
||||
const extension = getImageDownloadExtension(contentType);
|
||||
if (!extension) return null;
|
||||
const basename = sanitizeCanvasDownloadFileName(name || target.pathname.split("/").pop() || "image", "image")
|
||||
.replace(/\.(?:png|jpe?g|webp|avif|gif|svg|bmp|tiff?)$/i, "");
|
||||
const filename = `${basename}.${extension}`;
|
||||
target.searchParams.set("attname", filename);
|
||||
return { delivery: "cdn" as const, downloadUrl: target.toString(), filename,
|
||||
bytes: Number(response.headers.get("content-length")) || 0 };
|
||||
}
|
||||
@ -3,7 +3,6 @@ import { defineConfig } from "@playwright/test";
|
||||
export default defineConfig({
|
||||
testDir: "./tests",
|
||||
testMatch: [
|
||||
/routes\/original-image-download\.test\.ts/,
|
||||
/routes\/canvas-download-speed\.test\.ts/,
|
||||
/routes\/canvas-download-recovery\.test\.ts/,
|
||||
/routes\/canvas-download-rate-limit\.test\.ts/,
|
||||
|
||||
@ -112,11 +112,10 @@ test("the preparation deadline cancels the source body as well as its headers",
|
||||
test("requested downloads are prioritized with two workers before scanning background assets", async () => {
|
||||
let active = 0; let maximum = 0; let scans = 0;
|
||||
const releases: Array<() => void> = [];
|
||||
const workRecords: Array<{ active: number; durable: number }> = [];
|
||||
const claimed: string[] = []; const saved: string[] = [];
|
||||
const bytes = Buffer.from("compatible PNG fixture");
|
||||
const worker = serverLoader({
|
||||
"node:fs": { writeFileSync: (_path: string, value: string) => workRecords.push(JSON.parse(value)), unlinkSync() {} },
|
||||
"@/lib/observability/active-work": { trackRuntimeWork: (execute: () => Promise<void>) => execute() },
|
||||
"./image-archive-db": {
|
||||
claimImageDownloadTask: async (id: string) => { claimed.push(id); return { id, targetUrl: `https://cdn.example/${id}.png`, metadata: {} }; },
|
||||
saveImageDownloadAsset: async (id: string) => saved.push(id),
|
||||
@ -128,7 +127,6 @@ test("requested downloads are prioritized with two workers before scanning backg
|
||||
})("lib/storage/image-download-preparation.ts");
|
||||
worker.scheduleImageDownloadPreparation("one"); worker.scheduleImageDownloadPreparation("two"); worker.scheduleImageDownloadPreparation("three");
|
||||
await expect.poll(() => active).toBe(2);
|
||||
expect(workRecords.at(-1)).toMatchObject({ active: 1, durable: 0 });
|
||||
expect(scans).toBe(0);
|
||||
releases.splice(0).forEach(release => release());
|
||||
await expect.poll(() => claimed.length).toBe(3);
|
||||
|
||||
@ -154,7 +154,7 @@ test.describe("Qiniu image delivery", () => {
|
||||
expect((await GET(new NextRequest("http://localhost/api/image-proxy?url=http%3A%2F%2F192.168.1.1%2Fsecret&original=1"))).status).toBe(403);
|
||||
expect((await GET(new NextRequest("http://localhost/api/image-proxy?url=https%3A%2F%2Fpublic.example%2Fa.jpg&original=1&w=200"))).status).toBe(400);
|
||||
expect(fetchCount).toBe(0);
|
||||
expect((await GET(new NextRequest("http://localhost/api/image-proxy?url=https%3A%2F%2Fpublic.example%2Fa.jpg&original=1"))).status).toBe(422);
|
||||
expect((await GET(new NextRequest("http://localhost/api/image-proxy?url=https%3A%2F%2Fpublic.example%2Fa.jpg&original=1"))).status).toBe(400);
|
||||
} finally {
|
||||
globalThis.fetch = previousFetch;
|
||||
}
|
||||
|
||||
@ -1,114 +0,0 @@
|
||||
import { test, expect } from "@playwright/test";
|
||||
import { serverLoader } from "../helpers/canvas-download-server-loader";
|
||||
|
||||
const config = { type: "qiniu-kodo", isEnabled: true, publicUrl: "https://cdn.example" };
|
||||
|
||||
test("original downloads use the archived JPEG rather than the prepared PNG and transfer only HEAD metadata", async () => {
|
||||
const calls: Array<{ url: string; method: string }> = [];
|
||||
const loader = serverLoader({
|
||||
"@/lib/db/queries": { getDefaultStorageConfig: async () => config },
|
||||
"./image-archive-db": { findImageArchiveDownloadTask: async () => ({ targetUrl: "https://cdn.example/original.jpg", metadata: {
|
||||
downloadAsset: { status: "ready", url: "https://cdn.example/converted.png", contentType: "image/png" },
|
||||
} }) },
|
||||
fetch: async (url: URL, options: { method: string }) => {
|
||||
calls.push({ url: url.toString(), method: options.method });
|
||||
return { ok: true, headers: new Headers({ "content-type": "image/jpeg", "content-length": "12345" }),
|
||||
arrayBuffer() { throw new Error("Image bytes must bypass the application"); } };
|
||||
},
|
||||
});
|
||||
const result = await loader("lib/storage/original-image-download.ts").resolveOriginalCdnDownload("https://upstream.example/temporary.png", "产品.png", new AbortController().signal);
|
||||
expect(calls).toEqual([{ url: "https://cdn.example/original.jpg", method: "HEAD" }]);
|
||||
expect(result).toMatchObject({ delivery: "cdn", filename: "产品.jpg", bytes: 12345 });
|
||||
expect(new URL(result.downloadUrl).pathname).toBe("/original.jpg");
|
||||
});
|
||||
|
||||
test("signed original URLs retain the byte-preserving proxy without changing their signature", async () => {
|
||||
const module = serverLoader({
|
||||
"@/lib/db/queries": { getDefaultStorageConfig: async () => config },
|
||||
"./image-archive-db": { findImageArchiveDownloadTask: async () => null },
|
||||
fetch() { throw new Error("Do not add filename parameters to a signed URL"); },
|
||||
})("lib/storage/original-image-download.ts");
|
||||
const result = await module.resolveOriginalCdnDownload("https://cdn.example/source.jpg?token=signature%2Fvalue&e=123", "image.jpg", new AbortController().signal);
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
|
||||
test("existing CDN objects bypass the archive scan and retain the MIME-derived format", async () => {
|
||||
const module = serverLoader({
|
||||
"@/lib/db/queries": { getDefaultStorageConfig: async () => config },
|
||||
"./image-archive-db": { findImageArchiveDownloadTask() { throw new Error("An existing CDN object needs no archive scan"); } },
|
||||
fetch: async () => ({ ok: true, headers: new Headers({ "content-type": "image/webp" }) }),
|
||||
})("lib/storage/original-image-download.ts");
|
||||
const result = await module.resolveOriginalCdnDownload("https://cdn.example/source.png", "source.png", new AbortController().signal);
|
||||
expect(result.filename).toBe("source.webp");
|
||||
expect(new URL(result.downloadUrl).pathname).toBe("/source.png");
|
||||
});
|
||||
|
||||
test("temporary third-party URLs are never checked with HEAD when no archive is ready", async () => {
|
||||
const module = serverLoader({
|
||||
"@/lib/db/queries": { getDefaultStorageConfig: async () => config },
|
||||
"./image-archive-db": { findImageArchiveDownloadTask: async () => null },
|
||||
fetch() { throw new Error("The upstream file service does not support HEAD"); },
|
||||
})("lib/storage/original-image-download.ts");
|
||||
expect(await module.resolveOriginalCdnDownload("https://upstream.example/image.png", "image", new AbortController().signal)).toBeNull();
|
||||
});
|
||||
|
||||
test("original download metadata reports missing sources with cause, advice and a feedback ID", async () => {
|
||||
const route = serverLoader({
|
||||
"next/server": { NextResponse: Response },
|
||||
"@/lib/storage/original-image-download": { resolveOriginalCdnDownload: async () => { throw new Error("HTTP 404"); } },
|
||||
})("app/api/image-proxy/route.ts");
|
||||
const request = { nextUrl: new URL("https://app.example/api/image-proxy?url=https%3A%2F%2Fcdn.example%2Fmissing.jpg&original=1&download=resolve"), signal: new AbortController().signal, headers: new Headers() };
|
||||
const response = await route.GET(request);
|
||||
const data = await response.json();
|
||||
expect(response.status).toBe(404);
|
||||
expect(data.failure).toMatchObject({ code: "SOURCE_NOT_FOUND", retryable: false });
|
||||
expect(data.failure.recommendation).toBeTruthy();
|
||||
expect(data.error).toContain(data.requestId);
|
||||
});
|
||||
|
||||
function browserMocks() {
|
||||
const frames: any[] = []; const links: any[] = [];
|
||||
return { frames, links,
|
||||
window: { location: { origin: "https://app.example" }, setTimeout() {} },
|
||||
document: { createElement: (tag: string) => ({ tag, click() { links.push(this); }, remove() {} }),
|
||||
body: { appendChild: (el: any) => { if (el.tag === "iframe") frames.push(el); }, removeChild() {} } },
|
||||
};
|
||||
}
|
||||
|
||||
test("chat original downloads use a native CDN download without fetching the image through CORS", async () => {
|
||||
const dom = browserMocks(); const calls: string[] = [];
|
||||
const client = serverLoader({ ...dom, fetch: async (url: string) => {
|
||||
calls.push(url);
|
||||
return Response.json({ delivery: "cdn", downloadUrl: "https://cdn.example/image.jpg?attname=original.jpg", filename: "original.jpg", bytes: 5000000 });
|
||||
} })("lib/client/canvas-image-download.ts");
|
||||
const result = await client.downloadOriginalImage({ url: "https://cdn.example/image.jpg" });
|
||||
expect(result).toEqual({ filename: "original.jpg", bytes: 5000000 });
|
||||
expect(calls).toHaveLength(1);
|
||||
expect(new URL(calls[0], "https://app.example").searchParams.get("download")).toBe("resolve");
|
||||
expect(dom.frames[0].src).toBe("https://cdn.example/image.jpg?attname=original.jpg");
|
||||
expect(dom.links).toHaveLength(0);
|
||||
});
|
||||
|
||||
test("original fallback preserves JPEG bytes and the MIME-derived filename", async () => {
|
||||
const dom = browserMocks(); const bytes = Buffer.from([255, 216, 255, 224, 0, 16, 74, 70, 73, 70, 255, 217]); let calls = 0;
|
||||
const client = serverLoader({ ...dom, fetch: async () => ++calls === 1 ? Response.json({ delivery: "proxy" }) : new Response(bytes, { headers: { "content-type": "image/jpeg" } }) })("lib/client/canvas-image-download.ts");
|
||||
expect(await client.downloadOriginalImage({ url: "https://external.example/image.png", name: "original.png" })).toEqual({ filename: "original.jpg", bytes: bytes.length });
|
||||
expect(calls).toBe(2);
|
||||
const actual = await fetch(dom.links[0].href).then(r=>r.arrayBuffer());
|
||||
expect(Buffer.from(actual).equals(bytes)).toBe(true);
|
||||
URL.revokeObjectURL(dom.links[0].href);
|
||||
});
|
||||
|
||||
test("original downloads reject processed references before network access", async () => {
|
||||
const client = serverLoader({ ...browserMocks(), fetch() { throw new Error("Must not fetch a processed image as an original"); } })("lib/client/canvas-image-download.ts");
|
||||
await expect(client.downloadOriginalImage({ url: "https://cdn.example/image.jpg?imageView2/2/w/320&token=signed" })).rejects.toThrow("无法确认原图");
|
||||
});
|
||||
|
||||
test("chat downloads display the server cause and advice without losing its feedback ID", async () => {
|
||||
const failure = { code: "SOURCE_FORBIDDEN", message: "图片源站拒绝访问原图。", recommendation: "请联系管理员检查访问权限。", status: 403, retryable: false };
|
||||
const client = serverLoader({ ...browserMocks(), fetch: async () => Response.json({ failure, requestId: "original-feedback" }, { status: 403 }) })("lib/client/canvas-image-download.ts");
|
||||
let error: unknown;
|
||||
try { await client.downloadOriginalImage({ url: "https://cdn.example/image.jpg" }); } catch(e) { error=e; }
|
||||
expect(client.getCanvasImageDownloadErrorMessage(error)).toContain("下载编号：original-feedback");
|
||||
expect(client.getCanvasImageDownloadErrorMessage(error)).toContain(failure.recommendation);
|
||||
});
|
||||
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Reference in New Issue
Block a user