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package com.atlassian.plugins.confluence.markdown;
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import com.atlassian.confluence.content.render.xhtml.ConversionContext;
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import com.atlassian.confluence.content.render.xhtml.DefaultConversionContext;
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import com.atlassian.confluence.content.render.xhtml.XhtmlException;
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import com.atlassian.confluence.macro.Macro;
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import com.atlassian.confluence.macro.MacroExecutionException;
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import com.atlassian.confluence.xhtml.api.MacroDefinition;
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import com.atlassian.confluence.xhtml.api.MacroDefinitionHandler;
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import com.atlassian.confluence.xhtml.api.XhtmlContent;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import com.atlassian.renderer.RenderContext;
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import com.atlassian.renderer.v2.RenderMode;
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import com.atlassian.renderer.v2.macro.BaseMacro;
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import com.atlassian.renderer.v2.macro.MacroException;
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//import com.atlassian.plugin.spring.scanner.annotation.component.Scanned;
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import com.atlassian.plugin.spring.scanner.annotation.imports.ComponentImport;
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import com.atlassian.webresource.api.assembler.PageBuilderService;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.vladsch.flexmark.ast.Node;
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import com.vladsch.flexmark.ext.gfm.strikethrough.StrikethroughSubscriptExtension;
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import com.vladsch.flexmark.ext.tables.TablesExtension;
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import com.vladsch.flexmark.ext.ins.InsExtension;
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import com.vladsch.flexmark.ext.definition.DefinitionExtension;
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import com.vladsch.flexmark.ext.gfm.tasklist.TaskListExtension;
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import com.vladsch.flexmark.ext.footnotes.FootnoteExtension;
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import com.vladsch.flexmark.ext.wikilink.WikiLinkExtension;
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import com.vladsch.flexmark.ext.autolink.AutolinkExtension;
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import com.vladsch.flexmark.ext.anchorlink.AnchorLinkExtension;
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import com.vladsch.flexmark.superscript.SuperscriptExtension;
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import com.vladsch.flexmark.ext.youtube.embedded.YouTubeLinkExtension;
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import com.vladsch.flexmark.html.HtmlRenderer;
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import com.vladsch.flexmark.parser.Parser;
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import com.vladsch.flexmark.util.options.MutableDataSet;
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import java.net.*;
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import java.io.*;
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//@Scanned
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public class MarkdownFromURLMacro extends BaseMacro implements Macro
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{
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private final XhtmlContent xhtmlUtils;
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private PageBuilderService pageBuilderService;
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@Autowired
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public MarkdownFromURLMacro(@ComponentImport PageBuilderService pageBuilderService, XhtmlContent xhtmlUtils) {
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this.pageBuilderService = pageBuilderService;
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this.xhtmlUtils = xhtmlUtils;
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}
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// public MarkdownFromURLMacro(XhtmlContent xhtmlUtils)
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// {
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// this.xhtmlUtils = xhtmlUtils;
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// }
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@Override
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public BodyType getBodyType()
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{
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return BodyType.PLAIN_TEXT;
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}
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@Override
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public OutputType getOutputType()
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{
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return OutputType.BLOCK;
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}
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@Override
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public String execute(Map<String, String> parameters, String bodyContent, ConversionContext conversionContext) throws MacroExecutionException
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{
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if (bodyContent != null) {
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pageBuilderService.assembler().resources().requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs");
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MutableDataSet options = new MutableDataSet();
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options.set(Parser.EXTENSIONS, Arrays.asList(
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TablesExtension.create(),
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StrikethroughSubscriptExtension.create(),
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InsExtension.create(),
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TaskListExtension.create(),
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FootnoteExtension.create(),
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WikiLinkExtension.create(),
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DefinitionExtension.create(),
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AnchorLinkExtension.create(),
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AutolinkExtension.create(),
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SuperscriptExtension.create(),
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YouTubeLinkExtension.create()
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));
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String highlightjs = "<script>\n" +
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"AJS.$('[data-macro-name=\"markdown-from-url\"] code').each(function(i, block) {\n" +
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" hljs.highlightBlock(block);\n" +
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" });\n" +
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"</script>";
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class privateRepositoryException extends Exception {
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public privateRepositoryException(String message) {
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super(message);
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}
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}
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Parser parser = Parser.builder(options).build();
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HtmlRenderer renderer = HtmlRenderer.builder(options).build();
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String exceptionsToReturn = "";
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String html = "";
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String toParse = "";
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try {
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URL importFrom = new URL(bodyContent);
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BufferedReader in = new BufferedReader(
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new InputStreamReader(importFrom.openStream())
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);
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String inputLine;
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while ((inputLine = in.readLine()) != null) {
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toParse = toParse + "\n" + inputLine;
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}
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in.close();
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toParse = toParse.trim();
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if (toParse.startsWith("<html>\n<head>\n <title>OpenID transaction in progress</title>")) {
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throw new privateRepositoryException("Cannot import from private repository.");
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}else {
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Node document = parser.parse(toParse);
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html = renderer.render(document) + highlightjs;
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}
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}
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catch (MalformedURLException u) {
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exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Invalid URL.</strong><br>Please enter a valid URL. If you are not trying to import markdown from a URL, use the Markdown macro instead of the Markdown from URL macro.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
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}
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catch (privateRepositoryException p) {
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exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Importing from private Bitbucket repositories is not supported.</strong><br>Please make your repository public before importing. Alternatively, you can copy and paste your markdown into the Markdown macro.<br>If you are allowed access, you can find the markdown file <a href='" + bodyContent + "'>here</a>.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
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}
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catch (FileNotFoundException f) {
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exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: URL does not exist.</strong><br>" + bodyContent + "<br>Please double check your URL. Perhaps you made a typo or perhaps the page has been moved.<br>This can also be caused by changing the Github repository containing the file from public to private. If this is the case go back to the raw file and re-copy the link.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
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}
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catch (IOException e) {
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exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Unexpected error.</strong><br>" + e.toString() + "<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
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}
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finally {
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if (exceptionsToReturn != "") {
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html = "<p style='background: #ffe0e0; border-radius: 5px; padding: 10px;'>" + exceptionsToReturn + "</p>";
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}
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return html;
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}
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}else {
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return "";
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}
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}
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@Override
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public boolean hasBody() {
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return true; //To change body of implemented methods use File | Settings | File Templates.
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}
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@Override
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public RenderMode getBodyRenderMode() {
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return RenderMode.NO_RENDER; //To change body of implemented methods use File | Settings | File Templates.
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}
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@Override
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public String execute(Map map, String s, RenderContext renderContext) throws MacroException {
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try {
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return execute(map, s, new DefaultConversionContext(renderContext));
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} catch (MacroExecutionException e) {
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throw new MacroException(e.getMessage(),e);
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}
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}
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}
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Joshua Carpenter
Boris Berenberg