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phpheaders.go
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138 lines (131 loc) · 6.8 KB
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package phpheaders
import (
"context"
"strings"
"github.com/maypok86/otter/v2"
)
// Translate header names to PHP header names
// All headers in 'commonHeaders' can be cached and registered safely
// All other headers must be sanitized
// Note: net/http will capitalize lowercase headers, so we don't need to worry about case sensitivity
var CommonRequestHeaders = map[string]string{
"Accept": "HTTP_ACCEPT",
"Accept-Charset": "HTTP_ACCEPT_CHARSET",
"Accept-Encoding": "HTTP_ACCEPT_ENCODING",
"Accept-Language": "HTTP_ACCEPT_LANGUAGE",
"Access-Control-Request-Headers": "HTTP_ACCESS_CONTROL_REQUEST_HEADERS",
"Access-Control-Request-Method": "HTTP_ACCESS_CONTROL_REQUEST_METHOD",
"Authorization": "HTTP_AUTHORIZATION",
"Cache-Control": "HTTP_CACHE_CONTROL",
"Connection": "HTTP_CONNECTION",
"Content-Disposition": "HTTP_CONTENT_DISPOSITION",
"Content-Encoding": "HTTP_CONTENT_ENCODING",
"Content-Length": "HTTP_CONTENT_LENGTH",
"Content-Type": "HTTP_CONTENT_TYPE",
"Cookie": "HTTP_COOKIE",
"Date": "HTTP_DATE",
"Device-Memory": "HTTP_DEVICE_MEMORY",
"Dnt": "HTTP_DNT",
"Downlink": "HTTP_DOWNLINK",
"Dpr": "HTTP_DPR",
"Early-Data": "HTTP_EARLY_DATA",
"Ect": "HTTP_ECT",
"Am-I": "HTTP_AM_I",
"Expect": "HTTP_EXPECT",
"Forwarded": "HTTP_FORWARDED",
"From": "HTTP_FROM",
"Host": "HTTP_HOST",
"If-Match": "HTTP_IF_MATCH",
"If-Modified-Since": "HTTP_IF_MODIFIED_SINCE",
"If-None-Match": "HTTP_IF_NONE_MATCH",
"If-Range": "HTTP_IF_RANGE",
"If-Unmodified-Since": "HTTP_IF_UNMODIFIED_SINCE",
"Keep-Alive": "HTTP_KEEP_ALIVE",
"Max-Forwards": "HTTP_MAX_FORWARDS",
"Origin": "HTTP_ORIGIN",
"Pragma": "HTTP_PRAGMA",
"Proxy-Authorization": "HTTP_PROXY_AUTHORIZATION",
"Range": "HTTP_RANGE",
"Referer": "HTTP_REFERER",
"Rtt": "HTTP_RTT",
"Save-Data": "HTTP_SAVE_DATA",
"Sec-Ch-Ua": "HTTP_SEC_CH_UA",
"Sec-Ch-Ua-Arch": "HTTP_SEC_CH_UA_ARCH",
"Sec-Ch-Ua-Bitness": "HTTP_SEC_CH_UA_BITNESS",
"Sec-Ch-Ua-Full-Version": "HTTP_SEC_CH_UA_FULL_VERSION",
"Sec-Ch-Ua-Full-Version-List": "HTTP_SEC_CH_UA_FULL_VERSION_LIST",
"Sec-Ch-Ua-Mobile": "HTTP_SEC_CH_UA_MOBILE",
"Sec-Ch-Ua-Model": "HTTP_SEC_CH_UA_MODEL",
"Sec-Ch-Ua-Platform": "HTTP_SEC_CH_UA_PLATFORM",
"Sec-Ch-Ua-Platform-Version": "HTTP_SEC_CH_UA_PLATFORM_VERSION",
"Sec-Fetch-Dest": "HTTP_SEC_FETCH_DEST",
"Sec-Fetch-Mode": "HTTP_SEC_FETCH_MODE",
"Sec-Fetch-Site": "HTTP_SEC_FETCH_SITE",
"Sec-Fetch-User": "HTTP_SEC_FETCH_USER",
"Sec-Gpc": "HTTP_SEC_GPC",
"Service-Worker-Navigation-Preload": "HTTP_SERVICE_WORKER_NAVIGATION_PRELOAD",
"Te": "HTTP_TE",
"Priority": "HTTP_PRIORITY",
"Trailer": "HTTP_TRAILER",
"Transfer-Encoding": "HTTP_TRANSFER_ENCODING",
"Upgrade": "HTTP_UPGRADE",
"Upgrade-Insecure-Requests": "HTTP_UPGRADE_INSECURE_REQUESTS",
"User-Agent": "HTTP_USER_AGENT",
"Via": "HTTP_VIA",
"Viewport-Width": "HTTP_VIEWPORT_WIDTH",
"Want-Digest": "HTTP_WANT_DIGEST",
"Warning": "HTTP_WARNING",
"Width": "HTTP_WIDTH",
"X-Forwarded-For": "HTTP_X_FORWARDED_FOR",
"X-Forwarded-Host": "HTTP_X_FORWARDED_HOST",
"X-Forwarded-Path": "HTTP_X_FORWARDED_PATH",
"X-Forwarded-Prefix": "HTTP_X_FORWARDED_PREFIX",
"X-Forwarded-Proto": "HTTP_X_FORWARDED_PROTO",
"A-Im": "HTTP_A_IM",
"Accept-Datetime": "HTTP_ACCEPT_DATETIME",
"Content-Md5": "HTTP_CONTENT_MD5",
"Http2-Settings": "HTTP_HTTP2_SETTINGS",
"Prefer": "HTTP_PREFER",
"X-Requested-With": "HTTP_X_REQUESTED_WITH",
"Front-End-Https": "HTTP_FRONT_END_HTTPS",
"X-Http-Method-Override": "HTTP_X_HTTP_METHOD_OVERRIDE",
"X-Att-Deviceid": "HTTP_X_ATT_DEVICEID",
"X-Wap-Profile": "HTTP_X_WAP_PROFILE",
"Proxy-Connection": "HTTP_PROXY_CONNECTION",
"X-Uidh": "HTTP_X_UIDH",
"X-Csrf-Token": "HTTP_X_CSRF_TOKEN",
"X-Request-Id": "HTTP_X_REQUEST_ID",
"X-Correlation-Id": "HTTP_X_CORRELATION_ID",
// Additional CDN/Framework headers
"Cloudflare-Visitor": "HTTP_CLOUDFLARE_VISITOR",
"Cloudfront-Viewer-Address": "HTTP_CLOUDFRONT_VIEWER_ADDRESS",
"Cloudfront-Viewer-Country": "HTTP_CLOUDFRONT_VIEWER_COUNTRY",
"X-Amzn-Trace-Id": "HTTP_X_AMZN_TRACE_ID",
"X-Cloud-Trace-Context": "HTTP_X_CLOUD_TRACE_CONTEXT",
"Cf-Ray": "HTTP_CF_RAY",
"Cf-Visitor": "HTTP_CF_VISITOR",
"Cf-Request-Id": "HTTP_CF_REQUEST_ID",
"Cf-Ipcountry": "HTTP_CF_IPCOUNTRY",
"X-Device-Type": "HTTP_X_DEVICE_TYPE",
"X-Network-Info": "HTTP_X_NETWORK_INFO",
"X-Client-Id": "HTTP_X_CLIENT_ID",
"X-Livewire": "HTTP_X_LIVEWIRE",
"X-Real-Ip": "HTTP_X_REAL_IP",
}
// Cache up to 256 uncommon headers
// This is ~2.5x faster than converting the header each time
var headerKeyCache = otter.Must[string, string](&otter.Options[string, string]{MaximumSize: 256})
var headerNameReplacer = strings.NewReplacer(" ", "_", "-", "_")
func GetUnCommonHeader(ctx context.Context, key string) string {
phpHeaderKey, err := headerKeyCache.Get(
ctx,
key,
otter.LoaderFunc[string, string](func(_ context.Context, key string) (string, error) {
return "HTTP_" + headerNameReplacer.Replace(strings.ToUpper(key)) + "\x00", nil
}),
)
if err != nil {
panic(err)
}
return phpHeaderKey
}