report https download start only if we really get it

Reporting it via progress means that e.g. a redirect will trigger it,
too, so you get a Get & Hit while http only reports a Hit as it should
be.

methods/https.cc

@@ -75,6 +75,8 @@ HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
 {
    HttpsMethod *me = (HttpsMethod *)userp;
 
+   if (me->Res.Size == 0)
+      me->URIStart(me->Res);
    if(me->File->Write(buffer, size*nmemb) != true)
       return false;
 
@@ -88,7 +90,6 @@ HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow,
    HttpsMethod *me = (HttpsMethod *)clientp;
    if(dltotal > 0 && me->Res.Size == 0) {
       me->Res.Size = (unsigned long long)dltotal;
-      me->URIStart(me->Res);
    }
    return 0;
 }

test/integration/test-bug-602412-dequote-redirect

@@ -15,15 +15,24 @@ changetowebserver -o aptwebserver::redirect::replace::/pool/=/newpool/ \
 mv aptarchive/pool aptarchive/newpool
 mv aptarchive/dists aptarchive/newdists
 
-msgtest 'Test redirection works in' 'apt-get update'
-testsuccess --nomsg aptget update
-
-# check that I-M-S header is kept in redirections
-testequal 'Hit http://localhost:8080 unstable InRelease
-Hit http://localhost:8080 unstable/main Sources
-Hit http://localhost:8080 unstable/main amd64 Packages
-Hit http://localhost:8080 unstable/main Translation-en
-Reading package lists...' aptget update #-o debug::pkgacquire=1 -o debug::pkgacquire::worker=1
-
-msgtest 'Test redirection works in' 'package download'
-testsuccess --nomsg aptget install unrelated --download-only -y
+testrun() {
+	msgtest 'Test redirection works in' 'apt-get update'
+	testsuccess --nomsg aptget update
+
+	# check that I-M-S header is kept in redirections
+	testequal "Hit $1 unstable InRelease
+Hit $1 unstable/main Sources
+Hit $1 unstable/main amd64 Packages
+Hit $1 unstable/main Translation-en
+Reading package lists..." aptget update
+
+	msgtest 'Test redirection works in' 'package download'
+	testsuccess --nomsg aptget install unrelated --download-only -y
+}
+
+testrun 'http://localhost:8080'
+
+rm -rf rootdir/var/lib/apt/lists rootdir/var/cache/apt/archives
+changetohttpswebserver
+
+testrun 'https://localhost:4433'

test/interactive-helper/aptwebserver.cc

@@ -197,9 +197,14 @@ void sendRedirect(int const client, int const httpcode, std::string const &uri,/
    response.append(request).append("</pre></body></html>");
    addDataHeaders(headers, response);
    std::string location("Location: ");
-   if (strncmp(uri.c_str(), "http://", 7) != 0)
+   if (strncmp(uri.c_str(), "http://", 7) != 0 && strncmp(uri.c_str(), "https://", 8) != 0)
    {
-      location.append("http://").append(LookupTag(request, "Host")).append("/");
+      std::string const host = LookupTag(request, "Host");
+      if (host.find(":4433") != std::string::npos)
+	 location.append("https://");
+      else
+	 location.append("http://");
+      location.append(host).append("/");
       if (strncmp("/home/", uri.c_str(), strlen("/home/")) == 0 && uri.find("/public_html/") != std::string::npos)
       {
 	 std::string homeuri = SubstVar(uri, "/home/", "~");
@@ -507,7 +512,8 @@ void * handleClient(void * voidclient)					/*{{{*/
 	    std::string redirect = "/" + filename;
 	    for (::Configuration::Item *I = Replaces->Child; I != NULL; I = I->Next)
 	       redirect = SubstVar(redirect, I->Tag, I->Value);
-	    redirect.erase(0,1);
+	    if (redirect.empty() == false && redirect[0] == '/')
+	       redirect.erase(0,1);
 	    if (redirect != filename)
 	    {
 	       sendRedirect(client, 301, redirect, *m, sendContent);
@@ -542,7 +548,13 @@ void * handleClient(void * voidclient)					/*{{{*/
 	 }
 
 	 // deal with the request
-	 if (RealFileExists(filename) == true)
+	 if (_config->FindB("aptwebserver::support::http", true) == false &&
+	       LookupTag(*m, "Host").find(":4433") == std::string::npos)
+	 {
+	    sendError(client, 400, *m, sendContent, "HTTP disabled, all requests must be HTTPS");
+	    continue;
+	 }
+	 else if (RealFileExists(filename) == true)
 	 {
 	    FileFd data(filename, FileFd::ReadOnly);
 	    std::string condition = LookupTag(*m, "If-Modified-Since", "");