From 39dc2bcc49d109816623c4ef7106ec53a1157cb6 Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Mon, 22 Nov 2010 10:25:56 +0000
Subject: Send a plain text part in emails

---
 project2/sendmailTask.cpp | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/project2/sendmailTask.cpp b/project2/sendmailTask.cpp
index 3fc0039..65d55d8 100644
--- a/project2/sendmailTask.cpp
+++ b/project2/sendmailTask.cpp
@@ -1,12 +1,15 @@
 #include "sendmailTask.h"
 #include <boost/foreach.hpp>
-#include <stdexcept>
 #include "xmlObjectLoader.h"
 #include "appEngine.h"
 #include "presenter.h"
 #include <libxslt/transform.h>
+#include <misc.h>
+#include <stdexcept>
 #include <libesmtp.h>
 #include <libxslt/xsltutils.h>
+#include <libxml/HTMLtree.h>
+#include <sys/wait.h>
 
 ElementLoaderImpl<_SendMailTask> sendmailLoader("sendmail");
 
@@ -80,6 +83,44 @@ class HtmlContent : public _SendMailTask::MailPart {
 	private:
 		const XmlDocumentPtr doc;
 };
+class TextContent : public _SendMailTask::MailPart {
+	public:
+		TextContent(XmlDocumentPtr d) : doc(d) {
+		}
+		const char * write(char ** buf, int * pos) {
+			int fds[2];
+			const char * callLynx[] = {
+#ifdef STRACE_LYNX
+				"/usr/bin/strace", "-o", "/tmp/lynx",
+#endif
+				"/usr/bin/lynx", "-dump", "-stdin", "-width=105", NULL };
+			popenrw(callLynx, fds);
+			FILE * lynxIn = fdopen(fds[0], "w");
+			FILE * lynxOut = fdopen(fds[1], "r");
+			htmlNodeDumpFile(lynxIn, doc.get(), xmlDocGetRootElement(doc.get()));
+			fclose(lynxIn);
+			close(fds[0]);
+			int len = 0;
+			*pos = 0;
+			for (int ch ; ((ch = fgetc(lynxOut)) >= 0); ) {
+				if (*pos >= len) {
+					len += BUFSIZ;
+					*buf = (char*)realloc(*buf, len);
+				}
+				(*buf)[(*pos)++] = ch;
+			}
+			fclose(lynxOut);
+			close(fds[1]);
+			int status;
+			wait(&status);
+			if (status != 0) {
+				throw std::runtime_error("Lynx failed");
+			}
+			return *buf;
+		}
+	private:
+		const XmlDocumentPtr doc;
+};
 
 void
 _SendMailTask::execute() const
@@ -105,6 +146,8 @@ _SendMailTask::execute() const
 	parts.push_back(new Header("Content-Type", "multipart/alternative; boundary=\"<<divider>>\""));
 	parts.push_back(new Header("MIME-Version", "1.0"));
 	parts.push_back(new Header("Content-Transfer-Encoding", "binary"));
+	parts.push_back(new BoundaryBegin("text/plain; utf-8"));
+	parts.push_back(new TextContent(result));
 	parts.push_back(new BoundaryBegin("text/html; utf-8"));
 	parts.push_back(new HtmlContent(result));
 	parts.push_back(new BoundaryEnd());
-- 
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