diff options
Diffstat (limited to 'plugins/http/request.go')
-rw-r--r-- | plugins/http/request.go | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/plugins/http/request.go b/plugins/http/request.go new file mode 100644 index 00000000..3983fdde --- /dev/null +++ b/plugins/http/request.go @@ -0,0 +1,186 @@ +package http + +import ( + "fmt" + "io/ioutil" + "net" + "net/http" + "net/url" + "strings" + + j "github.com/json-iterator/go" + "github.com/spiral/roadrunner/v2/pkg/payload" + "github.com/spiral/roadrunner/v2/plugins/http/attributes" + "github.com/spiral/roadrunner/v2/plugins/logger" +) + +var json = j.ConfigCompatibleWithStandardLibrary + +const ( + defaultMaxMemory = 32 << 20 // 32 MB + contentNone = iota + 900 + contentStream + contentMultipart + contentFormData +) + +// Request maps net/http requests to PSR7 compatible structure and managed state of temporary uploaded files. +type Request struct { + // RemoteAddr contains ip address of client, make sure to check X-Real-Ip and X-Forwarded-For for real client address. + RemoteAddr string `json:"remoteAddr"` + + // Protocol includes HTTP protocol version. + Protocol string `json:"protocol"` + + // Method contains name of HTTP method used for the request. + Method string `json:"method"` + + // URI contains full request URI with scheme and query. + URI string `json:"uri"` + + // Header contains list of request headers. + Header http.Header `json:"headers"` + + // Cookies contains list of request cookies. + Cookies map[string]string `json:"cookies"` + + // RawQuery contains non parsed query string (to be parsed on php end). + RawQuery string `json:"rawQuery"` + + // Parsed indicates that request body has been parsed on RR end. + Parsed bool `json:"parsed"` + + // Uploads contains list of uploaded files, their names, sized and associations with temporary files. + Uploads *Uploads `json:"uploads"` + + // Attributes can be set by chained mdwr to safely pass value from Golang to PHP. See: GetAttribute, SetAttribute functions. + Attributes map[string]interface{} `json:"attributes"` + + // request body can be parsedData or []byte + body interface{} +} + +func fetchIP(pair string) string { + if !strings.ContainsRune(pair, ':') { + return pair + } + + addr, _, _ := net.SplitHostPort(pair) + return addr +} + +// NewRequest creates new PSR7 compatible request using net/http request. +func NewRequest(r *http.Request, cfg UploadsConfig) (*Request, error) { + req := &Request{ + RemoteAddr: fetchIP(r.RemoteAddr), + Protocol: r.Proto, + Method: r.Method, + URI: uri(r), + Header: r.Header, + Cookies: make(map[string]string), + RawQuery: r.URL.RawQuery, + Attributes: attributes.All(r), + } + + for _, c := range r.Cookies() { + if v, err := url.QueryUnescape(c.Value); err == nil { + req.Cookies[c.Name] = v + } + } + + switch req.contentType() { + case contentNone: + return req, nil + + case contentStream: + var err error + req.body, err = ioutil.ReadAll(r.Body) + return req, err + + case contentMultipart: + if err := r.ParseMultipartForm(defaultMaxMemory); err != nil { + return nil, err + } + + req.Uploads = parseUploads(r, cfg) + fallthrough + case contentFormData: + if err := r.ParseForm(); err != nil { + return nil, err + } + + req.body = parseData(r) + } + + req.Parsed = true + return req, nil +} + +// Open moves all uploaded files to temporary directory so it can be given to php later. +func (r *Request) Open(log logger.Logger) { + if r.Uploads == nil { + return + } + + r.Uploads.Open(log) +} + +// Close clears all temp file uploads +func (r *Request) Close(log logger.Logger) { + if r.Uploads == nil { + return + } + + r.Uploads.Clear(log) +} + +// Payload request marshaled RoadRunner payload based on PSR7 data. values encode method is JSON. Make sure to open +// files prior to calling this method. +func (r *Request) Payload() (payload.Payload, error) { + p := payload.Payload{} + + var err error + if p.Context, err = json.Marshal(r); err != nil { + return payload.Payload{}, err + } + + if r.Parsed { + if p.Body, err = json.Marshal(r.body); err != nil { + return payload.Payload{}, err + } + } else if r.body != nil { + p.Body = r.body.([]byte) + } + + return p, nil +} + +// contentType returns the payload content type. +func (r *Request) contentType() int { + if r.Method == "HEAD" || r.Method == "OPTIONS" { + return contentNone + } + + ct := r.Header.Get("content-type") + if strings.Contains(ct, "application/x-www-form-urlencoded") { + return contentFormData + } + + if strings.Contains(ct, "multipart/form-data") { + return contentMultipart + } + + return contentStream +} + +// uri fetches full uri from request in a form of string (including https scheme if TLS connection is enabled). +func uri(r *http.Request) string { + if r.URL.Host != "" { + return r.URL.String() + } + if r.TLS != nil { + return fmt.Sprintf("https://%s%s", r.Host, r.URL.String()) + } + + return fmt.Sprintf("http://%s%s", r.Host, r.URL.String()) +} |