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This commit is contained in:
394
test/unit/display_utils_spec.js
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394
test/unit/display_utils_spec.js
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/* Copyright 2017 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {
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applyOpacity,
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findContrastColor,
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getFilenameFromUrl,
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getPdfFilenameFromUrl,
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isValidFetchUrl,
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PDFDateString,
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renderRichText,
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} from "../../src/display/display_utils.js";
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import { isNodeJS, toBase64Util } from "../../src/shared/util.js";
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describe("display_utils", function () {
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describe("getFilenameFromUrl", function () {
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it("should get the filename from an absolute URL", function () {
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const url = "https://server.org/filename.pdf";
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expect(getFilenameFromUrl(url)).toEqual("filename.pdf");
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});
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it("should get the filename from a relative URL", function () {
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const url = "../../filename.pdf";
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expect(getFilenameFromUrl(url)).toEqual("filename.pdf");
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});
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it("should get the filename from a URL with an anchor", function () {
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const url = "https://server.org/filename.pdf#foo";
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expect(getFilenameFromUrl(url)).toEqual("filename.pdf");
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});
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it("should get the filename from a URL with query parameters", function () {
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const url = "https://server.org/filename.pdf?foo=bar";
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expect(getFilenameFromUrl(url)).toEqual("filename.pdf");
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});
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});
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describe("getPdfFilenameFromUrl", function () {
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it("gets PDF filename", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/file1.pdf")).toEqual("file1.pdf");
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// Absolute URL
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expect(
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getPdfFilenameFromUrl("http://www.example.com/pdfs/file2.pdf")
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).toEqual("file2.pdf");
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});
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it("gets fallback filename", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/file1.txt")).toEqual("document.pdf");
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// Absolute URL
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expect(
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getPdfFilenameFromUrl("http://www.example.com/pdfs/file2.txt")
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).toEqual("document.pdf");
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});
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it("gets custom fallback filename", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/file1.txt", "qwerty1.pdf")).toEqual(
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"qwerty1.pdf"
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);
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// Absolute URL
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expect(
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getPdfFilenameFromUrl(
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"http://www.example.com/pdfs/file2.txt",
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"qwerty2.pdf"
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)
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).toEqual("qwerty2.pdf");
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// An empty string should be a valid custom fallback filename.
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expect(getPdfFilenameFromUrl("/pdfs/file3.txt", "")).toEqual("");
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});
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it("gets fallback filename when url is not a string", function () {
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expect(getPdfFilenameFromUrl(null)).toEqual("document.pdf");
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expect(getPdfFilenameFromUrl(null, "file.pdf")).toEqual("file.pdf");
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});
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it("gets PDF filename from URL containing leading/trailing whitespace", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl(" /pdfs/file1.pdf ")).toEqual(
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"file1.pdf"
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);
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// Absolute URL
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expect(
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getPdfFilenameFromUrl(" http://www.example.com/pdfs/file2.pdf ")
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).toEqual("file2.pdf");
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});
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it("gets PDF filename from query string", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/pdfs.html?name=file1.pdf")).toEqual(
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"file1.pdf"
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);
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// Absolute URL
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expect(
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getPdfFilenameFromUrl("http://www.example.com/pdfs/pdf.html?file2.pdf")
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).toEqual("file2.pdf");
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});
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it("gets PDF filename from hash string", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/pdfs.html#name=file1.pdf")).toEqual(
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"file1.pdf"
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);
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// Absolute URL
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expect(
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getPdfFilenameFromUrl("http://www.example.com/pdfs/pdf.html#file2.pdf")
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).toEqual("file2.pdf");
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});
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it("gets correct PDF filename when multiple ones are present", function () {
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// Relative URL
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expect(getPdfFilenameFromUrl("/pdfs/file1.pdf?name=file.pdf")).toEqual(
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"file1.pdf"
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);
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// Absolute URL
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expect(
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getPdfFilenameFromUrl("http://www.example.com/pdfs/file2.pdf#file.pdf")
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).toEqual("file2.pdf");
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});
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it("gets PDF filename from URI-encoded data", function () {
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const encodedUrl = encodeURIComponent(
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"http://www.example.com/pdfs/file1.pdf"
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);
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expect(getPdfFilenameFromUrl(encodedUrl)).toEqual("file1.pdf");
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const encodedUrlWithQuery = encodeURIComponent(
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"http://www.example.com/pdfs/file.txt?file2.pdf"
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);
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expect(getPdfFilenameFromUrl(encodedUrlWithQuery)).toEqual("file2.pdf");
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});
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it("gets PDF filename from data mistaken for URI-encoded", function () {
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expect(getPdfFilenameFromUrl("/pdfs/%AA.pdf")).toEqual("%AA.pdf");
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expect(getPdfFilenameFromUrl("/pdfs/%2F.pdf")).toEqual("%2F.pdf");
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});
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it("gets PDF filename from (some) standard protocols", function () {
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// HTTP
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expect(getPdfFilenameFromUrl("http://www.example.com/file1.pdf")).toEqual(
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"file1.pdf"
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);
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// HTTPS
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expect(
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getPdfFilenameFromUrl("https://www.example.com/file2.pdf")
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).toEqual("file2.pdf");
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// File
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expect(getPdfFilenameFromUrl("file:///path/to/files/file3.pdf")).toEqual(
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"file3.pdf"
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);
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// FTP
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expect(getPdfFilenameFromUrl("ftp://www.example.com/file4.pdf")).toEqual(
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"file4.pdf"
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);
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});
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it('gets PDF filename from query string appended to "blob:" URL', function () {
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const typedArray = new Uint8Array([1, 2, 3, 4, 5]);
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const blobUrl = URL.createObjectURL(
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new Blob([typedArray], { type: "application/pdf" })
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);
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// Sanity check to ensure that a "blob:" URL was returned.
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expect(blobUrl.startsWith("blob:")).toEqual(true);
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expect(getPdfFilenameFromUrl(blobUrl + "?file.pdf")).toEqual("file.pdf");
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});
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it('gets fallback filename from query string appended to "data:" URL', function () {
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const typedArray = new Uint8Array([1, 2, 3, 4, 5]);
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const dataUrl = `data:application/pdf;base64,${toBase64Util(typedArray)}`;
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// Sanity check to ensure that a "data:" URL was returned.
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expect(dataUrl.startsWith("data:")).toEqual(true);
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expect(getPdfFilenameFromUrl(dataUrl + "?file1.pdf")).toEqual(
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"document.pdf"
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);
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// Should correctly detect a "data:" URL with leading whitespace.
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expect(getPdfFilenameFromUrl(" " + dataUrl + "?file2.pdf")).toEqual(
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"document.pdf"
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);
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});
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it("gets PDF filename with a hash sign", function () {
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expect(getPdfFilenameFromUrl("/foo.html?file=foo%23.pdf")).toEqual(
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"foo#.pdf"
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);
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expect(getPdfFilenameFromUrl("/foo.html?file=%23.pdf")).toEqual("#.pdf");
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expect(getPdfFilenameFromUrl("/foo.html?foo%23.pdf")).toEqual("foo#.pdf");
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expect(getPdfFilenameFromUrl("/foo%23.pdf?a=b#c")).toEqual("foo#.pdf");
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expect(getPdfFilenameFromUrl("foo.html#%23.pdf")).toEqual("#.pdf");
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});
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});
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describe("isValidFetchUrl", function () {
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it("handles invalid Fetch URLs", function () {
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expect(isValidFetchUrl(null)).toEqual(false);
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expect(isValidFetchUrl(100)).toEqual(false);
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expect(isValidFetchUrl("foo")).toEqual(false);
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expect(isValidFetchUrl("/foo", 100)).toEqual(false);
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});
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it("handles relative Fetch URLs", function () {
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expect(isValidFetchUrl("/foo", "file://www.example.com")).toEqual(false);
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expect(isValidFetchUrl("/foo", "http://www.example.com")).toEqual(true);
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});
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it("handles unsupported Fetch protocols", function () {
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expect(isValidFetchUrl("file://www.example.com")).toEqual(false);
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expect(isValidFetchUrl("ftp://www.example.com")).toEqual(false);
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});
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it("handles supported Fetch protocols", function () {
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expect(isValidFetchUrl("http://www.example.com")).toEqual(true);
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expect(isValidFetchUrl("https://www.example.com")).toEqual(true);
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});
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});
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describe("PDFDateString", function () {
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describe("toDateObject", function () {
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it("converts PDF date strings to JavaScript `Date` objects", function () {
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const expectations = {
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undefined: null,
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null: null,
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42: null,
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2019: null,
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D2019: null,
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"D:": null,
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"D:201": null,
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"D:2019": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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"D:20190": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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"D:201900": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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"D:201913": new Date(Date.UTC(2019, 0, 1, 0, 0, 0)),
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"D:201902": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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"D:2019020": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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"D:20190200": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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"D:20190232": new Date(Date.UTC(2019, 1, 1, 0, 0, 0)),
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"D:20190203": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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// Invalid dates like the 31th of April are handled by JavaScript:
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"D:20190431": new Date(Date.UTC(2019, 4, 1, 0, 0, 0)),
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"D:201902030": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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"D:2019020300": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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"D:2019020324": new Date(Date.UTC(2019, 1, 3, 0, 0, 0)),
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"D:2019020304": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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"D:20190203040": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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"D:201902030400": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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"D:201902030460": new Date(Date.UTC(2019, 1, 3, 4, 0, 0)),
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"D:201902030405": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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"D:2019020304050": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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"D:20190203040500": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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"D:20190203040560": new Date(Date.UTC(2019, 1, 3, 4, 5, 0)),
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"D:20190203040506": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506F": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506Z": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506-": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+0": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+01": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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"D:20190203040506+00'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+24'": new Date(Date.UTC(2019, 1, 3, 4, 5, 6)),
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"D:20190203040506+01'": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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"D:20190203040506+01'0": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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"D:20190203040506+01'00": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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"D:20190203040506+01'60": new Date(Date.UTC(2019, 1, 3, 3, 5, 6)),
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"D:20190203040506+0102": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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"D:20190203040506+01'02": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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"D:20190203040506+01'02'": new Date(Date.UTC(2019, 1, 3, 3, 3, 6)),
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// Offset hour and minute that result in a day change:
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"D:20190203040506+05'07": new Date(Date.UTC(2019, 1, 2, 22, 58, 6)),
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};
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for (const [input, expectation] of Object.entries(expectations)) {
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const result = PDFDateString.toDateObject(input);
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if (result) {
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expect(result.getTime()).toEqual(expectation.getTime());
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} else {
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expect(result).toEqual(expectation);
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}
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}
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const now = new Date();
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expect(PDFDateString.toDateObject(now)).toEqual(now);
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});
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});
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});
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describe("findContrastColor", function () {
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it("Check that the lightness is changed correctly", function () {
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expect(findContrastColor([210, 98, 76], [197, 113, 89])).toEqual(
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"#260e09"
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);
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});
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});
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describe("applyOpacity", function () {
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it("Check that the opacity is applied correctly", function () {
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if (isNodeJS) {
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pending("OffscreenCanvas is not supported in Node.js.");
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}
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const canvas = new OffscreenCanvas(1, 1);
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const ctx = canvas.getContext("2d");
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ctx.fillStyle = "white";
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ctx.fillRect(0, 0, 1, 1);
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ctx.fillStyle = "rgb(123, 45, 67)";
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ctx.globalAlpha = 0.8;
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ctx.fillRect(0, 0, 1, 1);
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const [r, g, b] = ctx.getImageData(0, 0, 1, 1).data;
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expect(applyOpacity(123, 45, 67, ctx.globalAlpha)).toEqual([r, g, b]);
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});
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});
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describe("renderRichText", function () {
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// Unlike other tests we cannot simply compare the HTML-strings since
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// Chrome and Firefox produce different results. Instead we compare sets
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// containing the individual parts of the HTML-strings.
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const splitParts = s => new Set(s.split(/[<>/ ]+/).filter(x => x));
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it("should render plain text", function () {
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if (isNodeJS) {
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pending("DOM is not supported in Node.js.");
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}
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const container = document.createElement("div");
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renderRichText(
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{
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html: "Hello world!\nThis is a test.",
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dir: "ltr",
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className: "foo",
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},
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container
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);
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expect(splitParts(container.innerHTML)).toEqual(
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splitParts(
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'<p dir="ltr" class="richText foo">Hello world!<br>This is a test.</p>'
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)
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);
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});
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it("should render XFA rich text", function () {
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if (isNodeJS) {
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pending("DOM is not supported in Node.js.");
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}
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const container = document.createElement("div");
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const xfaHtml = {
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name: "div",
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attributes: { style: { color: "red" } },
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children: [
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{
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name: "p",
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attributes: { style: { fontSize: "20px" } },
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children: [
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{
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name: "span",
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attributes: { style: { fontWeight: "bold" } },
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value: "Hello",
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},
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{ name: "#text", value: " world!" },
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],
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},
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],
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};
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renderRichText(
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{ html: xfaHtml, dir: "ltr", className: "foo" },
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container
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);
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expect(splitParts(container.innerHTML)).toEqual(
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splitParts(
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'<div style="color: red;" class="richText foo">' +
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'<p style="font-size: 20px;">' +
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'<span style="font-weight: bold;">Hello</span> world!</p></div>'
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)
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);
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});
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});
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});
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Reference in New Issue
Block a user