837 lines
20 KiB
Go
837 lines
20 KiB
Go
package xweb
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import (
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"bytes"
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"compress/flate"
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"compress/gzip"
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"crypto/hmac"
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"crypto/md5"
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"crypto/sha1"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"encoding/xml"
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"errors"
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"fmt"
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"html/template"
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"io"
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"io/ioutil"
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"mime"
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"mime/multipart"
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"net/http"
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"net/url"
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"os"
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"path"
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"reflect"
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"strconv"
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"strings"
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"time"
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"github.com/go-xweb/httpsession"
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"github.com/go-xweb/log"
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"github.com/go-xweb/uuid"
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)
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type ActionOption struct {
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AutoMapForm bool
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CheckXsrf bool
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}
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// An Action object or it's substruct is created for every incoming HTTP request.
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// It provides information
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// about the request, including the http.Request object, the GET and POST params,
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// and acts as a Writer for the response.
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type Action struct {
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Request *http.Request
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App *App
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Option *ActionOption
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http.ResponseWriter
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C reflect.Value
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session *httpsession.Session
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T T
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f T
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RootTemplate *template.Template
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RequestBody []byte
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StatusCode int
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}
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type Mapper struct {
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}
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type T map[string]interface{}
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func XsrfName() string {
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return XSRF_TAG
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}
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//[SWH|+]:
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// Protocol returns request protocol name, such as HTTP/1.1 .
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func (c *Action) Protocol() string {
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return c.Request.Proto
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}
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// Uri returns full request url with query string, fragment.
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func (c *Action) Uri() string {
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return c.Request.RequestURI
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}
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// Url returns request url path (without query string, fragment).
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func (c *Action) Url() string {
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return c.Request.URL.String()
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}
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// Site returns base site url as scheme://domain type.
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func (c *Action) Site() string {
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return c.Scheme() + "://" + c.Domain()
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}
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// Scheme returns request scheme as "http" or "https".
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func (c *Action) Scheme() string {
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if c.Request.URL.Scheme != "" {
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return c.Request.URL.Scheme
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} else if c.Request.TLS == nil {
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return "http"
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} else {
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return "https"
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}
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}
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// Domain returns host name.
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// Alias of Host method.
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func (c *Action) Domain() string {
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return c.Host()
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}
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// Host returns host name.
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// if no host info in request, return localhost.
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func (c *Action) Host() string {
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if c.Request.Host != "" {
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hostParts := strings.Split(c.Request.Host, ":")
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if len(hostParts) > 0 {
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return hostParts[0]
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}
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return c.Request.Host
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}
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return "localhost"
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}
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// Is returns boolean of this request is on given method, such as Is("POST").
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func (c *Action) Is(method string) bool {
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return c.Method() == method
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}
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// IsAjax returns boolean of this request is generated by ajax.
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func (c *Action) IsAjax() bool {
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return c.Header("X-Requested-With") == "XMLHttpRequest"
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}
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// IsSecure returns boolean of this request is in https.
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func (c *Action) IsSecure() bool {
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return c.Scheme() == "https"
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}
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// IsSecure returns boolean of this request is in webSocket.
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func (c *Action) IsWebsocket() bool {
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return c.Header("Upgrade") == "websocket"
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}
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// IsSecure returns boolean of whether file uploads in this request or not..
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func (c *Action) IsUpload() bool {
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return c.Request.MultipartForm != nil
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}
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// IP returns request client ip.
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// if in proxy, return first proxy id.
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// if error, return 127.0.0.1.
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func (c *Action) IP() string {
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ips := c.Proxy()
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if len(ips) > 0 && ips[0] != "" {
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return ips[0]
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}
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ip := strings.Split(c.Request.RemoteAddr, ":")
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if len(ip) > 0 {
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if ip[0] != "[" {
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return ip[0]
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}
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}
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return "127.0.0.1"
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}
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// Proxy returns proxy client ips slice.
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func (c *Action) Proxy() []string {
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if ips := c.Header("X-Forwarded-For"); ips != "" {
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return strings.Split(ips, ",")
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}
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return []string{}
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}
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// Refer returns http referer header.
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func (c *Action) Refer() string {
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return c.Header("Referer")
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}
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// SubDomains returns sub domain string.
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// if aa.bb.domain.com, returns aa.bb .
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func (c *Action) SubDomains() string {
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parts := strings.Split(c.Host(), ".")
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return strings.Join(parts[len(parts)-2:], ".")
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}
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// Port returns request client port.
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// when error or empty, return 80.
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func (c *Action) Port() int {
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parts := strings.Split(c.Request.Host, ":")
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if len(parts) == 2 {
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port, _ := strconv.Atoi(parts[1])
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return port
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}
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return 80
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}
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// UserAgent returns request client user agent string.
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func (c *Action) UserAgent() string {
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return c.Header("User-Agent")
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}
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// Query returns input data item string by a given string.
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func (c *Action) Query(key string) string {
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c.Request.ParseForm()
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return c.Request.Form.Get(key)
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}
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// Header returns request header item string by a given string.
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func (c *Action) Header(key string) string {
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return c.Request.Header.Get(key)
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}
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// Cookie returns request cookie item string by a given key.
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// if non-existed, return empty string.
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func (c *Action) Cookie(key string) string {
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ck, err := c.Request.Cookie(key)
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if err != nil {
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return ""
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}
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return ck.Value
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}
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// Body returns the raw request body data as bytes.
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func (c *Action) Body() []byte {
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if len(c.RequestBody) > 0 {
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return c.RequestBody
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}
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requestbody, _ := ioutil.ReadAll(c.Request.Body)
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c.Request.Body.Close()
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bf := bytes.NewBuffer(requestbody)
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c.Request.Body = ioutil.NopCloser(bf)
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c.RequestBody = requestbody
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return requestbody
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}
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func (c *Action) DisableHttpCache() {
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c.SetHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT")
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c.SetHeader("Last-Modified", webTime(time.Now().UTC()))
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c.SetHeader("Cache-Control", "no-store, no-cache, must-revalidate")
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c.SetHeader("Cache-Control", "post-check=0, pre-check=0")
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c.SetHeader("Pragma", "no-cache")
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}
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func (c *Action) HttpCache(content []byte) bool {
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h := md5.New()
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h.Write(content)
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Etag := hex.EncodeToString(h.Sum(nil))
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//c.SetHeader("Connection", "keep-alive")
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c.SetHeader("X-Cache", "HIT from COSCMS-Page-Cache")
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//c.SetHeader("X-Cache", "HIT from COSCMS-Page-Cache 2013-12-02 17:16:01")
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if inm := c.Header("If-None-Match"); inm != "" && inm == Etag {
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h := c.ResponseWriter.Header()
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delete(h, "Content-Type")
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delete(h, "Content-Length")
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c.ResponseWriter.WriteHeader(http.StatusNotModified)
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return true
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}
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c.SetHeader("Etag", Etag)
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c.SetHeader("Cache-Control", "public,max-age=1")
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return false
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}
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// Body sets response body content.
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// if EnableGzip, compress content string.
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// it sends out response body directly.
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func (c *Action) SetBody(content []byte) error {
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if c.App.AppConfig.EnableHttpCache && c.HttpCache(content) {
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return nil
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}
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output_writer := c.ResponseWriter.(io.Writer)
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if c.App.Server.Config.EnableGzip == true && c.Header("Accept-Encoding") != "" {
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splitted := strings.SplitN(c.Header("Accept-Encoding"), ",", -1)
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encodings := make([]string, len(splitted))
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for i, val := range splitted {
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encodings[i] = strings.TrimSpace(val)
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}
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for _, val := range encodings {
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if val == "gzip" {
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c.SetHeader("Content-Encoding", "gzip")
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output_writer, _ = gzip.NewWriterLevel(c.ResponseWriter, gzip.BestSpeed)
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break
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} else if val == "deflate" {
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c.SetHeader("Content-Encoding", "deflate")
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output_writer, _ = flate.NewWriter(c.ResponseWriter, flate.BestSpeed)
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break
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}
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}
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} else {
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c.SetHeader("Content-Length", strconv.Itoa(len(content)))
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}
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_, err := output_writer.Write(content)
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switch output_writer.(type) {
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case *gzip.Writer:
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output_writer.(*gzip.Writer).Close()
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case *flate.Writer:
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output_writer.(*flate.Writer).Close()
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}
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return err
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}
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//[SWH|+];
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func (c *Action) XsrfValue() string {
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var val string = ""
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cookie, err := c.GetCookie(XSRF_TAG)
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if err != nil {
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val = uuid.NewRandom().String()
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c.SetCookie(NewCookie(XSRF_TAG, val, int64(c.App.AppConfig.SessionTimeout)))
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} else {
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val = cookie.Value
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}
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return val
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}
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func (c *Action) XsrfFormHtml() template.HTML {
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if c.App.AppConfig.CheckXsrf {
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return template.HTML(fmt.Sprintf(`<input type="hidden" name="%v" value="%v" />`,
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XSRF_TAG, c.XsrfValue()))
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}
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return template.HTML("")
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}
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// WriteString writes string data into the response object.
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func (c *Action) WriteBytes(bytes []byte) error {
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//_, err := c.ResponseWriter.Write(bytes)
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err := c.SetBody(bytes) //[SWH|+]
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if err != nil {
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c.App.Error("Error during write:", err)
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}
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return err
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}
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func (c *Action) Write(content string, values ...interface{}) error {
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if len(values) > 0 {
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content = fmt.Sprintf(content, values...)
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}
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//_, err := c.ResponseWriter.Write([]byte(content))
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err := c.SetBody([]byte(content)) //[SWH|+]
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if err != nil {
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c.App.Error("Error during write:", err)
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}
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return err
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}
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// Abort is a helper method that sends an HTTP header and an optional
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// body. It is useful for returning 4xx or 5xx errors.
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// Once it has been called, any return value from the handler will
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// not be written to the response.
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func (c *Action) Abort(status int, body string) error {
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c.StatusCode = status
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return c.App.error(c.ResponseWriter, status, body)
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}
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// Redirect is a helper method for 3xx redirects.
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func (c *Action) Redirect(url string, status ...int) error {
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if len(status) == 0 {
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c.StatusCode = 302
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} else {
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c.StatusCode = status[0]
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}
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return c.App.Redirect(c.ResponseWriter, c.Request.URL.Path, url, status...)
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}
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// Notmodified writes a 304 HTTP response
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func (c *Action) NotModified() {
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c.StatusCode = 304
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c.ResponseWriter.WriteHeader(304)
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}
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// NotFound writes a 404 HTTP response
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func (c *Action) NotFound(message string) error {
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c.StatusCode = 404
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return c.Abort(404, message)
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}
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// ParseStruct mapping forms' name and values to struct's field
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// For example:
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// <form>
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// <input name="user.id"/>
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// <input name="user.name"/>
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// <input name="user.age"/>
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// </form>
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//
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// type User struct {
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// Id int64
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// Name string
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// Age string
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// }
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//
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// var user User
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// err := action.MapForm(&user)
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//
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func (c *Action) MapForm(st interface{}, names ...string) error {
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v := reflect.ValueOf(st)
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var name string
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if len(names) == 0 {
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name = UnTitle(v.Type().Elem().Name())
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} else {
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name = names[0]
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}
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return c.App.namedStructMap(v.Elem(), c.Request, name)
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}
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// ContentType sets the Content-Type header for an HTTP response.
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// For example, c.ContentType("json") sets the content-type to "application/json"
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// If the supplied value contains a slash (/) it is set as the Content-Type
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// verbatim. The return value is the content type as it was
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// set, or an empty string if none was found.
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func (c *Action) SetContentType(val string) string {
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var ctype string
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if strings.ContainsRune(val, '/') {
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ctype = val
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} else {
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if !strings.HasPrefix(val, ".") {
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val = "." + val
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}
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ctype = mime.TypeByExtension(val)
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}
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if ctype != "" {
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c.SetHeader("Content-Type", ctype)
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}
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return ctype
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}
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// SetCookie adds a cookie header to the response.
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func (c *Action) SetCookie(cookie *http.Cookie) {
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c.SetHeader("Set-Cookie", cookie.String())
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}
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func (c *Action) GetCookie(cookieName string) (*http.Cookie, error) {
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return c.Request.Cookie(cookieName)
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}
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func getCookieSig(key string, val []byte, timestamp string) string {
|
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hm := hmac.New(sha1.New, []byte(key))
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hm.Write(val)
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hm.Write([]byte(timestamp))
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hex := fmt.Sprintf("%02x", hm.Sum(nil))
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return hex
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}
|
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|
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func (c *Action) SetSecureCookie(name string, val string, age int64) {
|
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//base64 encode the val
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if len(c.App.AppConfig.CookieSecret) == 0 {
|
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c.App.Error("Secret Key for secure cookies has not been set. Please assign a cookie secret to web.Config.CookieSecret.")
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return
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}
|
|
var buf bytes.Buffer
|
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encoder := base64.NewEncoder(base64.StdEncoding, &buf)
|
|
encoder.Write([]byte(val))
|
|
encoder.Close()
|
|
vs := buf.String()
|
|
vb := buf.Bytes()
|
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timestamp := strconv.FormatInt(time.Now().Unix(), 10)
|
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sig := getCookieSig(c.App.AppConfig.CookieSecret, vb, timestamp)
|
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cookie := strings.Join([]string{vs, timestamp, sig}, "|")
|
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c.SetCookie(NewCookie(name, cookie, age))
|
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}
|
|
|
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func (c *Action) GetSecureCookie(name string) (string, bool) {
|
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for _, cookie := range c.Request.Cookies() {
|
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if cookie.Name != name {
|
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continue
|
|
}
|
|
|
|
parts := strings.SplitN(cookie.Value, "|", 3)
|
|
|
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val := parts[0]
|
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timestamp := parts[1]
|
|
sig := parts[2]
|
|
|
|
if getCookieSig(c.App.AppConfig.CookieSecret, []byte(val), timestamp) != sig {
|
|
return "", false
|
|
}
|
|
|
|
ts, _ := strconv.ParseInt(timestamp, 0, 64)
|
|
|
|
if time.Now().Unix()-31*86400 > ts {
|
|
return "", false
|
|
}
|
|
|
|
buf := bytes.NewBufferString(val)
|
|
encoder := base64.NewDecoder(base64.StdEncoding, buf)
|
|
|
|
res, _ := ioutil.ReadAll(encoder)
|
|
return string(res), true
|
|
}
|
|
return "", false
|
|
}
|
|
|
|
func (c *Action) Method() string {
|
|
return c.Request.Method
|
|
}
|
|
|
|
func (c *Action) Go(m string, anotherc ...interface{}) error {
|
|
var t reflect.Type
|
|
if len(anotherc) > 0 {
|
|
t = reflect.TypeOf(anotherc[0]).Elem()
|
|
} else {
|
|
t = reflect.TypeOf(c.C.Interface()).Elem()
|
|
}
|
|
|
|
root, ok := c.App.ActionsPath[t]
|
|
if !ok {
|
|
return NotFound()
|
|
}
|
|
|
|
uris := strings.Split(m, "?")
|
|
|
|
tag, ok := t.FieldByName(uris[0])
|
|
if !ok {
|
|
return NotFound()
|
|
}
|
|
|
|
tagStr := tag.Tag.Get("xweb")
|
|
var rPath string
|
|
if tagStr != "" {
|
|
p := tagStr
|
|
ts := strings.Split(tagStr, " ")
|
|
if len(ts) >= 2 {
|
|
p = ts[1]
|
|
}
|
|
rPath = path.Join(root, p, m[len(uris[0]):])
|
|
} else {
|
|
rPath = path.Join(root, m)
|
|
}
|
|
rPath = strings.Replace(rPath, "//", "/", -1)
|
|
return c.Redirect(rPath)
|
|
}
|
|
|
|
func (c *Action) Flush() {
|
|
flusher, _ := c.ResponseWriter.(http.Flusher)
|
|
flusher.Flush()
|
|
}
|
|
|
|
func (c *Action) BasePath() string {
|
|
return c.App.BasePath
|
|
}
|
|
|
|
func (c *Action) Namespace() string {
|
|
return c.App.ActionsPath[c.C.Type()]
|
|
}
|
|
|
|
func (c *Action) Debug(params ...interface{}) {
|
|
c.App.Debug(params...)
|
|
}
|
|
|
|
func (c *Action) Info(params ...interface{}) {
|
|
c.App.Info(params...)
|
|
}
|
|
|
|
func (c *Action) Warn(params ...interface{}) {
|
|
c.App.Warn(params...)
|
|
}
|
|
|
|
func (c *Action) Error(params ...interface{}) {
|
|
c.App.Error(params...)
|
|
}
|
|
|
|
func (c *Action) Fatal(params ...interface{}) {
|
|
c.App.Fatal(params...)
|
|
}
|
|
|
|
func (c *Action) Panic(params ...interface{}) {
|
|
c.App.Panic(params...)
|
|
}
|
|
|
|
func (c *Action) Debugf(format string, params ...interface{}) {
|
|
c.App.Debugf(format, params...)
|
|
}
|
|
|
|
func (c *Action) Infof(format string, params ...interface{}) {
|
|
c.App.Infof(format, params...)
|
|
}
|
|
|
|
func (c *Action) Warnf(format string, params ...interface{}) {
|
|
c.App.Warnf(format, params...)
|
|
}
|
|
|
|
func (c *Action) Errorf(format string, params ...interface{}) {
|
|
c.App.Errorf(format, params...)
|
|
}
|
|
|
|
func (c *Action) Fatalf(format string, params ...interface{}) {
|
|
c.App.Fatalf(format, params...)
|
|
}
|
|
|
|
func (c *Action) Panicf(format string, params ...interface{}) {
|
|
c.App.Panicf(format, params...)
|
|
}
|
|
|
|
// Include method provide to template for {{include "xx.tmpl"}}
|
|
func (c *Action) Include(tmplName string) interface{} {
|
|
t := c.RootTemplate.New(tmplName)
|
|
t.Funcs(c.GetFuncs())
|
|
|
|
content, err := c.getTemplate(tmplName)
|
|
if err != nil {
|
|
c.Errorf("RenderTemplate %v read err: %s", tmplName, err)
|
|
return ""
|
|
}
|
|
|
|
constr := string(content)
|
|
//[SWH|+]call hook
|
|
if r, err := XHook.Call("BeforeRender", constr, c); err == nil {
|
|
constr = XHook.String(r[0])
|
|
}
|
|
tmpl, err := t.Parse(constr)
|
|
if err != nil {
|
|
c.Errorf("Parse %v err: %v", tmplName, err)
|
|
return ""
|
|
}
|
|
newbytes := bytes.NewBufferString("")
|
|
err = tmpl.Execute(newbytes, c.C.Elem().Interface())
|
|
if err != nil {
|
|
c.Errorf("Parse %v err: %v", tmplName, err)
|
|
return ""
|
|
}
|
|
|
|
tplcontent, err := ioutil.ReadAll(newbytes)
|
|
if err != nil {
|
|
c.Errorf("Parse %v err: %v", tmplName, err)
|
|
return ""
|
|
}
|
|
return template.HTML(string(tplcontent))
|
|
}
|
|
|
|
// render the template with vars map, you can have zero or one map
|
|
func (c *Action) NamedRender(name, content string, params ...*T) error {
|
|
c.f["include"] = c.Include
|
|
if c.App.AppConfig.SessionOn {
|
|
c.f["session"] = c.GetSession
|
|
}
|
|
c.f["cookie"] = c.Cookie
|
|
c.f["XsrfFormHtml"] = c.XsrfFormHtml
|
|
c.f["XsrfValue"] = c.XsrfValue
|
|
if len(params) > 0 {
|
|
c.AddTmplVars(params[0])
|
|
}
|
|
|
|
c.RootTemplate = template.New(name)
|
|
c.RootTemplate.Funcs(c.GetFuncs())
|
|
|
|
//[SWH|+]call hook
|
|
if r, err := XHook.Call("BeforeRender", content, c); err == nil {
|
|
content = XHook.String(r[0])
|
|
}
|
|
tmpl, err := c.RootTemplate.Parse(content)
|
|
if err == nil {
|
|
newbytes := bytes.NewBufferString("")
|
|
err = tmpl.Execute(newbytes, c.C.Elem().Interface())
|
|
if err == nil {
|
|
tplcontent, err := ioutil.ReadAll(newbytes)
|
|
if err == nil {
|
|
//[SWH|+]call hook
|
|
if r, err := XHook.Call("AfterRender", tplcontent, c); err == nil {
|
|
if ret := XHook.Value(r, 0); ret != nil {
|
|
tplcontent = ret.([]byte)
|
|
}
|
|
}
|
|
err = c.SetBody(tplcontent) //[SWH|+]
|
|
//_, err = c.ResponseWriter.Write(tplcontent)
|
|
}
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (c *Action) getTemplate(tmpl string) ([]byte, error) {
|
|
if c.App.AppConfig.CacheTemplates {
|
|
return c.App.TemplateMgr.GetTemplate(tmpl)
|
|
}
|
|
path := c.App.getTemplatePath(tmpl)
|
|
if path == "" {
|
|
return nil, errors.New(fmt.Sprintf("No template file %v found", path))
|
|
}
|
|
|
|
return ioutil.ReadFile(path)
|
|
}
|
|
|
|
// render the template with vars map, you can have zero or one map
|
|
func (c *Action) Render(tmpl string, params ...*T) error {
|
|
content, err := c.getTemplate(tmpl)
|
|
if err == nil {
|
|
err = c.NamedRender(tmpl, string(content), params...)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (c *Action) GetFuncs() template.FuncMap {
|
|
funcs := c.App.FuncMaps
|
|
if c.f != nil {
|
|
for k, v := range c.f {
|
|
funcs[k] = v
|
|
}
|
|
}
|
|
|
|
return funcs
|
|
}
|
|
|
|
func (c *Action) SetConfig(name string, value interface{}) {
|
|
c.App.Config[name] = value
|
|
}
|
|
|
|
func (c *Action) GetConfig(name string) interface{} {
|
|
return c.App.Config[name]
|
|
}
|
|
|
|
func (c *Action) RenderString(content string, params ...*T) error {
|
|
h := md5.New()
|
|
h.Write([]byte(content))
|
|
name := h.Sum(nil)
|
|
return c.NamedRender(string(name), content, params...)
|
|
}
|
|
|
|
// SetHeader sets a response header. the current value
|
|
// of that header will be overwritten .
|
|
func (c *Action) SetHeader(key string, value string) {
|
|
c.ResponseWriter.Header().Set(key, value)
|
|
}
|
|
|
|
// add a name value for template
|
|
func (c *Action) AddTmplVar(name string, varOrFunc interface{}) {
|
|
if varOrFunc == nil {
|
|
c.T[name] = varOrFunc
|
|
return
|
|
}
|
|
|
|
if reflect.ValueOf(varOrFunc).Type().Kind() == reflect.Func {
|
|
c.f[name] = varOrFunc
|
|
} else {
|
|
c.T[name] = varOrFunc
|
|
}
|
|
}
|
|
|
|
// add names and values for template
|
|
func (c *Action) AddTmplVars(t *T) {
|
|
for name, value := range *t {
|
|
c.AddTmplVar(name, value)
|
|
}
|
|
}
|
|
|
|
func (c *Action) ServeJson(obj interface{}) {
|
|
content, err := json.MarshalIndent(obj, "", " ")
|
|
if err != nil {
|
|
http.Error(c.ResponseWriter, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
c.SetHeader("Content-Length", strconv.Itoa(len(content)))
|
|
c.ResponseWriter.Header().Set("Content-Type", "application/json")
|
|
c.ResponseWriter.Write(content)
|
|
}
|
|
|
|
func (c *Action) ServeXml(obj interface{}) {
|
|
content, err := xml.Marshal(obj)
|
|
if err != nil {
|
|
http.Error(c.ResponseWriter, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
c.SetHeader("Content-Length", strconv.Itoa(len(content)))
|
|
c.ResponseWriter.Header().Set("Content-Type", "application/xml")
|
|
c.ResponseWriter.Write(content)
|
|
}
|
|
|
|
func (c *Action) ServeFile(fpath string) {
|
|
c.ResponseWriter.Header().Del("Content-Type")
|
|
http.ServeFile(c.ResponseWriter, c.Request, fpath)
|
|
}
|
|
|
|
func (c *Action) GetSlice(key string) []string {
|
|
return c.Request.Form[key]
|
|
}
|
|
|
|
func (c *Action) GetForm() url.Values {
|
|
return c.Request.Form
|
|
}
|
|
|
|
func (c *Action) GetString(key string) string {
|
|
s := c.GetSlice(key)
|
|
if len(s) > 0 {
|
|
return s[0]
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (c *Action) GetInt(key string) (int64, error) {
|
|
return strconv.ParseInt(c.GetString(key), 10, 64)
|
|
}
|
|
|
|
func (c *Action) GetBool(key string) (bool, error) {
|
|
return strconv.ParseBool(c.GetString(key))
|
|
}
|
|
|
|
func (c *Action) GetFloat(key string) (float64, error) {
|
|
return strconv.ParseFloat(c.GetString(key), 64)
|
|
}
|
|
|
|
func (c *Action) GetFile(key string) (multipart.File, *multipart.FileHeader, error) {
|
|
return c.Request.FormFile(key)
|
|
}
|
|
|
|
func (c *Action) GetLogger() *log.Logger {
|
|
return c.App.Logger
|
|
}
|
|
|
|
func (c *Action) SaveToFile(fromfile, tofile string) error {
|
|
file, _, err := c.Request.FormFile(fromfile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
f, err := os.OpenFile(tofile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
_, err = io.Copy(f, file)
|
|
return err
|
|
}
|
|
|
|
func (c *Action) Session() *httpsession.Session {
|
|
if c.session == nil {
|
|
c.session = c.App.SessionManager.Session(c.Request, c.ResponseWriter)
|
|
}
|
|
return c.session
|
|
}
|
|
|
|
func (c *Action) GetSession(key string) interface{} {
|
|
return c.Session().Get(key)
|
|
}
|
|
|
|
func (c *Action) SetSession(key string, value interface{}) {
|
|
c.Session().Set(key, value)
|
|
}
|
|
|
|
func (c *Action) DelSession(key string) {
|
|
c.Session().Del(key)
|
|
}
|