Fix the issue of incorrect multipart content-type on the HTTP server.

ext-src/php_swoole_cxx.h

@@ -556,7 +556,7 @@ class CharPtr {
         str_ = estrndup(str, len);
     }
 
-    void assign_tolower(char *str, size_t len) {
+    void assign_tolower(const char *str, size_t len) {
         release();
         str_ = zend_str_tolower_dup(str, len);
     }

ext-src/php_swoole_http.h

@@ -158,13 +158,15 @@ struct Context {
     multipart_parser *mt_parser;
 
     uint16_t input_var_num;
-    char *current_header_name;
+    const char *current_header_name;
     size_t current_header_name_len;
     char *current_input_name;
     size_t current_input_name_len;
     char *current_form_data_name;
     size_t current_form_data_name_len;
     zval *current_multipart_header;
+    const char *tmp_content_type;
+    size_t tmp_content_type_len;
     String *form_data_buffer;
 
     std::string upload_tmp_dir;

ext-src/swoole_http_request.cc

@@ -267,7 +267,7 @@ static int http_request_on_query_string(swoole_http_parser *parser, const char *
 
 static int http_request_on_header_field(swoole_http_parser *parser, const char *at, size_t length) {
     HttpContext *ctx = (HttpContext *) parser->data;
-    ctx->current_header_name = (char *) at;
+    ctx->current_header_name = at;
     ctx->current_header_name_len = length;
     return 0;
 }
@@ -342,7 +342,7 @@ bool swoole_http_token_list_contains_value(const char *at, size_t length, const
 static int http_request_on_header_value(swoole_http_parser *parser, const char *at, size_t length) {
     HttpContext *ctx = (HttpContext *) parser->data;
     zval *zheader = ctx->request.zheader;
-    char *header_name = ctx->current_header_name;
+    const char *header_name = ctx->current_header_name;
     size_t header_len = ctx->current_header_name_len;
 
     if (ctx->parse_cookie && SW_STRCASEEQ(header_name, header_len, "cookie")) {
@@ -546,7 +546,11 @@ static int multipart_body_on_header_value(multipart_parser *p, const char *at, s
             zval *z_multipart_header = sw_malloc_zval();
             array_init(z_multipart_header);
 
-            add_assoc_string(z_multipart_header, "type", (char *) "");
+            if (ctx->tmp_content_type) {
+                add_assoc_stringl(z_multipart_header, "type", ctx->tmp_content_type, ctx->tmp_content_type_len);
+            } else {
+                add_assoc_string(z_multipart_header, "type", (char *) "");
+            }
             add_assoc_string(z_multipart_header, "tmp_name", (char *) "");
             add_assoc_long(z_multipart_header, "size", 0);
 
@@ -563,11 +567,16 @@ static int multipart_body_on_header_value(multipart_parser *p, const char *at, s
             ctx->current_multipart_header = z_multipart_header;
         }
         zval_ptr_dtor(&tmp_array);
-    } else if (SW_STRCASEEQ(header_name, header_len, "content-type") && ctx->current_multipart_header) {
-        zval *z_multipart_header = ctx->current_multipart_header;
-        zval *zerr = zend_hash_str_find(Z_ARRVAL_P(z_multipart_header), ZEND_STRL("error"));
-        if (zerr && Z_TYPE_P(zerr) == IS_LONG && Z_LVAL_P(zerr) == HTTP_UPLOAD_ERR_OK) {
-            add_assoc_stringl(z_multipart_header, "type", (char *) at, length);
+    } else if (SW_STRCASEEQ(header_name, header_len, "content-type")) {
+        if (ctx->current_multipart_header) {
+            zval *z_multipart_header = ctx->current_multipart_header;
+            zval *zerr = zend_hash_str_find(Z_ARRVAL_P(z_multipart_header), ZEND_STRL("error"));
+            if (zerr && Z_TYPE_P(zerr) == IS_LONG && Z_LVAL_P(zerr) == HTTP_UPLOAD_ERR_OK) {
+                add_assoc_stringl(z_multipart_header, "type", (char *) at, length);
+            }
+        } else {
+            ctx->tmp_content_type = at;
+            ctx->tmp_content_type_len = length;
         }
     } else if (SW_STRCASEEQ(header_name, header_len, SW_HTTP_UPLOAD_FILE)) {
         zval *z_multipart_header = ctx->current_multipart_header;

tests/swoole_http_server/tmp-content-type.phpt

@@ -0,0 +1,70 @@
+--TEST--
+swoole_http_server: tmp content-type
+--SKIPIF--
+<?php
+require __DIR__ . '/../include/skipif.inc';
+?>
+--FILE--
+<?php
+require __DIR__ . '/../include/bootstrap.php';
+require_once TESTS_LIB_PATH . '/vendor/autoload.php';
+
+use Swoole\Runtime;
+use GuzzleHttp\Client as GuzzleHttpClient;
+use Swoole\Http\Server;
+use Swoole\Http\Request;
+use Swoole\Http\Response;
+
+use function Swoole\Coroutine\run;
+
+Runtime::enableCoroutine(SWOOLE_HOOK_NATIVE_CURL);
+
+register_shutdown_function(function (){
+   phpt_show_usage();
+});
+
+$pm = new SwooleTest\ProcessManager;
+$pm->parentFunc = function () use ($pm) {
+    run(function () use ($pm) {
+        $client = new GuzzleHttpClient();
+        $baseUrl = 'http://127.0.0.1:' . $pm->getFreePort();
+        $res = $client->post($baseUrl . '/', [
+            'multipart' => [
+                [
+                    'name' => 'file',
+                    'contents' => fopen(__FILE__, 'r'),
+                    'filename' => basename(__FILE__),
+                    'headers' => ['Content-Type' => 'application/php-script']
+                ],
+            ],
+        ]);
+
+        $status = $res->getStatusCode();
+        $body = $res->getBody()->getContents();
+        Assert::eq($status, 200);
+        $result = json_decode($body, true);
+        Assert::eq($result['file']['name'], basename(__FILE__));
+        Assert::eq($result['file']['type'], 'application/php-script');
+    });
+    echo "DONE\n";
+    $pm->kill();
+};
+
+$pm->childFunc = function () use ($pm) {
+    $http = new Server('127.0.0.1', $pm->getFreePort(), SWOOLE_BASE);
+    $http->set([
+        'log_file' => '/dev/null',
+    ]);
+    $http->on('workerStart', function () use ($pm) {
+        $pm->wakeup();
+    });
+    $http->on('request', function (Request $request, Response $response) use ($http) {
+        $response->end(json_encode($request->files));
+    });
+    $http->start();
+};
+$pm->childFirst();
+$pm->run();
+?>
+--EXPECT--
+DONE