102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package request
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import (
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"encoding/json"
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"fmt"
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"git.xdrm.io/go/aicra/driver"
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"git.xdrm.io/go/aicra/err"
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"git.xdrm.io/go/aicra/response"
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"log"
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"net/http"
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"strings"
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"time"
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)
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// FromHTTP builds an interface request from a http.Request
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func FromHTTP(req *http.Request) (*Request, error) {
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/* (1) Get useful data */
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uri := normaliseURI(req.URL.Path)
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uriparts := strings.Split(uri, "/")
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/* (2) Init request */
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inst := &Request{
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URI: uriparts,
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Path: make([]string, 0, len(uriparts)),
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Data: NewDataset(),
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}
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/* (3) Build dataset */
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inst.Data.Build(req)
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return inst, nil
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}
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// FetchFormData extracts FORM data
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//
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// - parse 'form-data' if not supported (not POST requests)
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// - parse 'x-www-form-urlencoded'
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// - parse 'application/json'
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func FetchFormData(req *http.Request) map[string]interface{} {
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res := make(map[string]interface{})
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// Abort if GET request
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if req.Method == "GET" {
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return res
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}
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ct := req.Header.Get("Content-Type")
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if strings.HasPrefix(ct, "application/json") {
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receiver := make(map[string]interface{}, 0)
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// 1. Init JSON reader
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decoder := json.NewDecoder(req.Body)
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if err := decoder.Decode(&receiver); err != nil {
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log.Printf("[parse.json] %s\n", err)
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return res
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}
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// 2. Return result
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return receiver
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} else if strings.HasPrefix(ct, "application/x-www-form-urlencoded") {
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// 1. Parse url encoded data
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req.ParseForm()
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// 2. Extract values
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for name, value := range req.PostForm {
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res[name] = value
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}
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} else { // form-data or anything
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startn := time.Now().UnixNano()
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// 1. Parse form-data
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if err := req.ParseMultipartForm(req.ContentLength + 1); err != nil {
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log.Printf("[read.multipart] %s\n", err)
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return res
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}
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// 2. Extract values
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for name, value := range req.PostForm {
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res[name] = value
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}
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fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
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}
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return res
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}
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// LoadController tries to load a controller from its uri
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// checks for its given method ('Get', 'Post', 'Put', or 'Delete')
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func (i *Request) LoadController(_method string, _driver driver.Driver) (func(response.Arguments) response.Response, err.Error) {
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return _driver.Load(i.Path, _method)
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}
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