Merge pull request #216 from PCoder23/headers_list

Enhancement: Added more HTTP headers suggestions

Author: ashitaprasad

lib/utils/header_utils.dart

@@ -2,6 +2,7 @@ Map<String, String> headers = {
   "Accept": "Specifies the media types that are acceptable for the response.",
   "Accept-Encoding":
       "Indicates the encoding methods the client can understand.",
+  "Accept-Charset": "Specifies the character sets that are acceptable.",
   "Access-Control-Allow-Headers":
       "Specifies a list of HTTP headers that can be used in an actual request after a preflight request including the Access-Control-Request-Headers header is made.",
   "Access-Control-Allow-Methods":
@@ -41,11 +42,16 @@ Map<String, String> headers = {
   "Cross-Origin-Resource-Policy":
       "Controls how cross-origin requests for resources are handled.",
   "Date": "Indicates the date and time at which the message was sent.",
+  "Device-Memory":
+      "Indicates the approximate amount of device memory in gigabytes.",
   "DNT":
       "Informs websites whether the user's preference is to opt out of online tracking.",
   "Expect": "Indicates certain expectations that need to be met by the server.",
   "Expires":
       "Contains the date/time after which the response is considered expired",
+  "Forwarded":
+      "Contains information from the client-facing side of proxy servers that is altered or lost when a proxy is involved in the path of the request.",
+  "From": "Contains an Internet email address for a human user who controls the requesting user agent.",
   "Host": "Specifies the domain name of the server and the port number.",
   "If-Match":
       "Used for conditional requests, allows the server to respond based on certain conditions.",
@@ -57,9 +63,15 @@ Map<String, String> headers = {
       "Used in conjunction with the Range header to conditionally request a partial resource.",
   "If-Unmodified-Since":
       "Used for conditional requests, allows the server to respond based on certain conditions.",
+  "Keep-Alive":
+      "Used to allow the connection to be reused for further requests.",
   "Location":
       "Indicates the URL a client should redirect to for further interaction.",
+  "Max-Forwards":
+      "Indicates the remaining number of times a request can be forwarded by proxies.",
   "Origin": "Specifies the origin of a cross-origin request.",
+  "Proxy-Authorization":
+      "Contains credentials for authenticating a client with a proxy server.",
   "Range":
       "Used to request only part of a resource, typically in the context of downloading large files.",
   "Referer":
@@ -68,10 +80,14 @@ Map<String, String> headers = {
       "Specifies how much information the browser should include in the Referer header when navigating to other pages.",
   "Retry-After":
       "Informs the client how long it should wait before making another request after a server has responded with a rate-limiting status code.",
+  "Save-Data":
+      "Indicates the client's preference for reduced data usage.",
   "Server": "Indicates the software used by the origin server.",
   "Strict-Transport-Security":
       "Instructs the browser to always use HTTPS for the given domain.",
   "TE": "Specifies the transfer encodings that are acceptable to the client.",
+  "Upgrade-Insecure-Requests":
+      "Instructs the browser to prefer secure connections when available.",
   "User-Agent":
       "Identifies the client software and version making the request.",
   "Via":

test/utils/header_utils_test.dart

@@ -115,6 +115,7 @@ void main() {
       String pattern = "x-";
       List<String> expected = [
         "Access-Control-Max-Age",
+        "Max-Forwards",
         "X-Api-Key",
         "X-Content-Type-Options",
         "X-CSRF-Token",