Fix pagespeed_libraries_generator.sh to fetch pagespeed_libraries.conf from github rather than svn.

was missing
ctx->base_fetch->SetRequestHeadersTakingOwnership(request_headers).

.gitignore

@@ -1,4 +1,4 @@
 test/tmp
 psol/
 psol-*.tar.gz
-
+*.*.*.*.tar.gz

config

@@ -27,8 +27,8 @@ if [ "$mod_pagespeed_dir" = "unset" ] ; then
     echo "   You need to separately download the pagespeed library:"
     echo ""
     echo "     $ cd /path/to/ngx_pagespeed"
-    echo "     $ wget https://dl.google.com/dl/page-speed/psol/1.9.32.2.tar.gz"
+    echo "     $ wget https://dl.google.com/dl/page-speed/psol/1.9.32.4.tar.gz"
-    echo "     $ tar -xzvf 1.9.32.2.tar.gz # expands to psol/"
+    echo "     $ tar -xzvf 1.9.32.4.tar.gz # expands to psol/"
     echo ""
     echo "   Or see the installation instructions:"
     echo "     https://github.com/pagespeed/ngx_pagespeed#how-to-build"

scripts/pagespeed_libraries_generator.sh

@@ -13,9 +13,9 @@
 # Author: vid@zippykid.com (Vid Luther)
 #         jefftk@google.com (Jeff Kaufman)
 
-URL="https://modpagespeed.googlecode.com/svn/trunk/src/"
+URL="https://github.com/pagespeed/mod_pagespeed/raw/master/"
 URL+="net/instaweb/genfiles/conf/pagespeed_libraries.conf"
-curl -s "$URL" \
+curl -L -s -S "$URL" \
     | grep ModPagespeedLibrary \
     | while read library size hash url ; do
   echo "  pagespeed Library $size $hash $url;"

src/ngx_base_fetch.cc

@@ -144,7 +144,7 @@ void NgxBaseFetch::HandleHeadersComplete() {
     }
   }
 
-  // For the IPRO lookup, supress notification of the nginx side here.
+  // For the IPRO lookup, suppress notification of the nginx side here.
   // If we send both this event and the one from done, nasty stuff will happen
   // if we loose the race with with the nginx side destructing this base fetch
   // instance (and thereby clearing the byte and its pending extraneous event.

src/ngx_fetch.cc

@@ -42,6 +42,7 @@ extern "C" {
 
 #include <algorithm>
 #include <string>
+#include <typeinfo>
 #include <vector>
 
 #include "net/instaweb/util/public/scoped_ptr.h"
@@ -255,7 +256,6 @@ void NgxConnection::IdleWriteHandler(ngx_event_t* ev) {
   if (n == NGX_AGAIN) {
     return;
   }
-  DCHECK(false) << "NgxFetch: Unexpected write event" << n;
 }
 
 void NgxConnection::IdleReadHandler(ngx_event_t* ev) {
@@ -447,7 +447,7 @@ const char* NgxFetch::str_url() {
   return str_url_.c_str();
 }
 
-// This function should be called only once. The only argument is sucess or
+// This function should be called only once. The only argument is success or
 // not.
 void NgxFetch::CallbackDone(bool success) {
   ngx_log_error(NGX_LOG_DEBUG, log_, 0, "NgxFetch %p: CallbackDone: %s\n",
@@ -570,8 +570,16 @@ void NgxFetch::ResolveDoneHandler(ngx_resolver_ctx_t* resolver_ctx) {
   ngx_uint_t i;
   // Find the first ipv4 address. We don't support ipv6 yet.
   for (i = 0; i < resolver_ctx->naddrs; i++) {
-    if (reinterpret_cast<struct sockaddr_in*>(
+    // Old versions of nginx and tengine have a different definition of addrs,
-            resolver_ctx->addrs[i].sockaddr)->sin_family == AF_INET) {
+    // work around to make sure we are using the right type (ngx_addr_t*).
+    ngx_addr_t* ngx_addrs = reinterpret_cast<ngx_addr_t*>(resolver_ctx->addrs);
+    if (typeid(*ngx_addrs) == typeid(*resolver_ctx->addrs)) {
+      if (reinterpret_cast<struct sockaddr_in*>(ngx_addrs[i].sockaddr)
+              ->sin_family == AF_INET) {
+        break;
+      }
+    } else {
+      // We're using an old version that uses in_addr_t* for addrs.
       break;
     }
   }

src/ngx_gzip_setter.cc

@@ -70,7 +70,7 @@ extern "C" {
   }
 }
 
-NgxGZipSetter::NgxGZipSetter() : enabled_(0) { }
+NgxGZipSetter::NgxGZipSetter() : enabled_(false), initialized_(false) { }
 NgxGZipSetter::~NgxGZipSetter() { }
 
 // Helper functions to determine signature.
@@ -95,7 +95,7 @@ bool IsNgxBitmaskCommand(ngx_command_t* command) {
           HasLocalConfig(command));
 }
 
-// Initialize the NgxGzipSetter.
+// Initialize the NgxGZipSetter.
 // Find the gzip, gzip_vary, gzip_http_version and gzip_types commands in the
 // gzip module. Enable if the signature of the zip command matches with what we
 // trust. Also sets up redirects for the configurations. These redirect handle
@@ -105,6 +105,16 @@ void NgxGZipSetter::Init(ngx_conf_t* cf) {
 #if (NGX_HTTP_GZIP)
   bool gzip_signature_mismatch = false;
   bool other_signature_mismatch = false;
+  // If we initialized already we don't have to scan again.
+  if (initialized_) {
+    // Config might have changed, so re-enable if we have gzip.
+    if (gzip_command_.command_ != NULL) {
+      enabled_ = true;
+    } else {
+      enabled_ = false;
+    }
+    return;
+  } 
   for (int m = 0; ngx_modules[m] != NULL; m++) {
     if (ngx_modules[m]->commands != NULL) {
       for (int c = 0; ngx_modules[m]->commands[c].name.len; c++) {
@@ -122,7 +132,7 @@ void NgxGZipSetter::Init(ngx_conf_t* cf) {
             current_command->set = ngx_gzip_redirect_conf_set_flag_slot;
             gzip_command_.command_ = current_command;
             gzip_command_.module_ = ngx_modules[m];
-            enabled_ = 1;
+            enabled_ = true;
           } else {
             ngx_conf_log_error(
                 NGX_LOG_WARN, cf, 0,
@@ -189,6 +199,7 @@ void NgxGZipSetter::Init(ngx_conf_t* cf) {
       }
     }
   }
+  initialized_ = true;
   if (gzip_signature_mismatch) {
     return;  // Already logged error.
   } else if (!enabled_) {
@@ -381,7 +392,7 @@ void NgxGZipSetter::AddGZipHTTPTypes(ngx_conf_t* cf) {
 }
 
 void NgxGZipSetter::RollBackAndDisable(ngx_conf_t* cf) {
-  ngx_conf_log_error(NGX_LOG_INFO, cf, 0,
+  ngx_conf_log_error(NGX_LOG_DEBUG, cf, 0,
                      "pagespeed: rollback gzip, explicit configuration");
   for (std::vector<ngx_flag_t*>::iterator i = ngx_flags_set_.begin();
        i != ngx_flags_set_.end(); ++i) {

src/ngx_gzip_setter.h

@@ -91,6 +91,7 @@ class NgxGZipSetter {
   ngx_command_ctx gzip_vary_command_;
   ngx_command_ctx gzip_http_version_command_;
   bool enabled_;
+  bool initialized_;
 
  public:
   NgxGZipSetter();

src/ngx_message_handler.h

@@ -18,6 +18,10 @@
 #define NGX_MESSAGE_HANDLER_H_
 
 extern "C" {
+  #include <ngx_auto_config.h>
+#if (NGX_THREADS)
+  #include <ngx_thread.h>
+#endif
   #include <ngx_core.h>
   #include <ngx_log.h>
 }

src/ngx_pagespeed.cc

@@ -295,7 +295,8 @@ void copy_response_headers_from_ngx(const ngx_http_request_t* r,
 
   // When we don't have a date header, set one with the current time.
   if (headers->Lookup1(HttpAttributes::kDate) == NULL) {
-    headers->SetDate(ngx_current_msec);
+    PosixTimer timer;
+    headers->SetDate(timer.NowMs());
   }
 
   // TODO(oschaaf): ComputeCaching should be called in setupforhtml()?
@@ -342,10 +343,17 @@ ngx_int_t copy_response_headers_to_ngx(
 
     ngx_str_t name, value;
 
+    // If the gzip module is not configured, we must not rename the header,
+    // because we will fail to inject the header filter that will rename the
+    // header back.
+    bool gzip_enabled = false;
+#if (NGX_HTTP_GZIP)
+    gzip_enabled = true;
+#endif
     // To prevent the gzip module from clearing weak etags, we output them
     // using a different name here. The etag header filter module runs behind
     // the gzip compressors header filter, and will rename it to 'ETag'
-    if (StringCaseEqual(name_gs, "etag")
+    if (gzip_enabled && StringCaseEqual(name_gs, "etag")
         && StringCaseStartsWith(value_gs, "W/")) {
       name.len = strlen(kInternalEtagName);
       name.data = reinterpret_cast<u_char*>(
@@ -354,6 +362,7 @@ ngx_int_t copy_response_headers_to_ngx(
       name.len = name_gs.length();
       name.data = reinterpret_cast<u_char*>(const_cast<char*>(name_gs.data()));
     }
+
     value.len = value_gs.length();
     value.data = reinterpret_cast<u_char*>(const_cast<char*>(value_gs.data()));
 
@@ -1630,7 +1639,8 @@ void ps_release_base_fetch(ps_request_ctx_t* ctx) {
 
 // TODO(chaizhenhua): merge into NgxBaseFetch ctor
 ngx_int_t ps_create_base_fetch(ps_request_ctx_t* ctx,
-                               RequestContextPtr request_context) {
+                               RequestContextPtr request_context,
+                               RequestHeaders* request_headers) {
   ngx_http_request_t* r = ctx->r;
   ps_srv_conf_t* cfg_s = ps_get_srv_config(r);
   int file_descriptors[2];
@@ -1673,6 +1683,7 @@ ngx_int_t ps_create_base_fetch(ps_request_ctx_t* ctx,
   ctx->base_fetch = new NgxBaseFetch(
       r, file_descriptors[1], cfg_s->server_context,
       request_context, ctx->preserve_caching_headers);
+  ctx->base_fetch->SetRequestHeadersTakingOwnership(request_headers);
 
   return NGX_OK;
 }
@@ -1808,7 +1819,10 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
   GoogleString url_string = ps_determine_url(r);
   GoogleUrl url(url_string);
 
-  CHECK(url.IsWebValid());
+  if (!url.IsWebValid()) {
+    ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "invalid url");
+    return NGX_DECLINED;
+  }
 
   scoped_ptr<RequestHeaders> request_headers(new RequestHeaders);
   scoped_ptr<ResponseHeaders> response_headers(new ResponseHeaders);
@@ -1923,35 +1937,17 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
     ngx_http_set_ctx(r, ctx, ngx_pagespeed);
   }
 
-  if (ps_create_base_fetch(ctx, request_context) != NGX_OK) {
-    // Do not need to release request context 'ctx'.
-    // http_pool_cleanup will call ps_release_request_context
-    return NGX_ERROR;
-  }
-
-  ctx->base_fetch->SetRequestHeadersTakingOwnership(request_headers.release());
-
-  bool page_callback_added = false;
-  scoped_ptr<ProxyFetchPropertyCallbackCollector>
-      property_callback(
-          ProxyFetchFactory::InitiatePropertyCacheLookup(
-              !html_rewrite /* is_resource_fetch */,
-              url,
-              cfg_s->server_context,
-              options,
-              ctx->base_fetch,
-              false /* requires_blink_cohort (no longer unused) */,
-              &page_callback_added));
-
   if (pagespeed_resource) {
     // TODO(jefftk): Set using_spdy appropriately.  See
     // ProxyInterface::ProxyRequestCallback
+    ps_create_base_fetch(ctx, request_context, request_headers.release());
     ResourceFetch::Start(
         url,
         custom_options.release() /* null if there aren't custom options */,
         false /* using_spdy */, cfg_s->server_context, ctx->base_fetch);
     return ps_async_wait_response(r);
   } else if (is_an_admin_handler) {
+    ps_create_base_fetch(ctx, request_context, request_headers.release());
     QueryParams query_params;
     query_params.ParseFromUrl(url);
 
@@ -1995,6 +1991,7 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
   }
 
   if (html_rewrite) {
+    ps_create_base_fetch(ctx, request_context, request_headers.release());
     // Do not store driver in request_context, it's not safe.
     RewriteDriver* driver;
 
@@ -2021,12 +2018,22 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
     driver->set_pagespeed_option_cookies(pagespeed_option_cookies);
 
     // TODO(jefftk): FlushEarlyFlow would go here.
+    bool page_callback_added = false;
+    ProxyFetchPropertyCallbackCollector* property_callback =
+        ProxyFetchFactory::InitiatePropertyCacheLookup(
+            !html_rewrite /* is_resource_fetch */,
+            url,
+            cfg_s->server_context,
+            options,
+            ctx->base_fetch,
+            false /* requires_blink_cohort (no longer unused) */,
+            &page_callback_added);
 
     // Will call StartParse etc.  The rewrite driver will take care of deleting
     // itself if necessary.
     ctx->proxy_fetch = cfg_s->proxy_fetch_factory->CreateNewProxyFetch(
         url_string, ctx->base_fetch, driver,
-        property_callback.release(),
+        property_callback,
         NULL /* original_content_fetch */);
     return NGX_OK;
   }
@@ -2034,6 +2041,7 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
   if (options->in_place_rewriting_enabled() &&
       options->enabled() &&
       options->IsAllowed(url.Spec())) {
+    ps_create_base_fetch(ctx, request_context, request_headers.release());
     // Do not store driver in request_context, it's not safe.
     RewriteDriver* driver;
     if (custom_options.get() == NULL) {
@@ -2073,8 +2081,7 @@ ngx_int_t ps_resource_handler(ngx_http_request_t* r,
                 "Passing on content handling for non-pagespeed resource '%s'",
                 url_string.c_str());
 
-  ctx->base_fetch->Done(false);
+  CHECK(ctx->base_fetch == NULL);
-  ps_release_base_fetch(ctx);
   // set html_rewrite flag.
   ctx->html_rewrite = true;
   return NGX_DECLINED;
@@ -2279,14 +2286,13 @@ ngx_int_t ps_html_rewrite_header_filter(ngx_http_request_t* r) {
     if (!ps_has_stacked_content_encoding(r)) {
       StringPiece content_encoding =
           str_to_string_piece(r->headers_out.content_encoding->value);
-      GzipInflater::InflateType inflate_type;
+      GzipInflater::InflateType inflate_type = GzipInflater::kGzip;
       bool is_encoded = false;
       if (StringCaseEqual(content_encoding, "deflate")) {
         is_encoded = true;
         inflate_type = GzipInflater::kDeflate;
       } else if (StringCaseEqual(content_encoding, "gzip")) {
         is_encoded = true;
-        inflate_type = GzipInflater::kGzip;
       }
 
       if (is_encoded) {

src/ngx_rewrite_driver_factory.h

@@ -20,6 +20,10 @@
 #define NGX_REWRITE_DRIVER_FACTORY_H_
 
 extern "C" {
+  #include <ngx_auto_config.h>
+#if (NGX_THREADS)
+  #include <ngx_thread.h>
+#endif
   #include <ngx_core.h>
   #include <ngx_http.h>
   #include <ngx_config.h>

src/ngx_server_context.cc

@@ -48,7 +48,7 @@ SystemRequestContext* NgxServerContext::NewRequestContext(
     ngx_http_request_t* r) {
   // Based on ngx_http_variable_server_port.
   bool port_set = false;
-  int local_port;
+  int local_port = 0;
 #if (NGX_HAVE_INET6)
   if (r->connection->local_sockaddr->sa_family == AF_INET6) {
     local_port = ntohs(reinterpret_cast<struct sockaddr_in6*>(

src/ngx_url_async_fetcher.h

@@ -59,7 +59,7 @@ class NgxUrlAsyncFetcher : public UrlAsyncFetcher {
   ~NgxUrlAsyncFetcher();
 
   // It should be called in the module init_process callback function. Do some
-  // intializations which can't be done in the master process
+  // initializations which can't be done in the master process
   bool Init();
 
   // shutdown all the fetches.