1 files changed, 58 insertions, 0 deletions
diff --git a/psr7/files.go b/psr7/files.go
new file mode 100644
index 00000000..31ddfec8
--- /dev/null
+++ b/psr7/files.go
@@ -0,0 +1,58 @@
+package psr7
+
+import (
+	"mime/multipart"
+	"strings"
+	"github.com/sirupsen/logrus"
+)
+
+type fileData map[string]interface{}
+
+type FileUpload struct {
+	Name     string `json:"name"`
+	MimeType string `json:"mimetype"`
+}
+
+func (d fileData) push(k string, v []*multipart.FileHeader) {
+	if len(v) == 0 {
+		// doing nothing
+		return
+	}
+
+	chunks := make([]string, 0)
+	for _, chunk := range strings.Split(k, "[") {
+		chunks = append(chunks, strings.Trim(chunk, "]"))
+	}
+
+	d.pushChunk(chunks, v)
+}
+
+func (d fileData) pushChunk(k []string, v []*multipart.FileHeader) {
+	logrus.Print(v)
+	if len(v) == 0 || v[0] == nil {
+		return
+	}
+
+	head := k[0]
+	tail := k[1:]
+	if len(k) == 1 {
+		d[head] = FileUpload{
+			Name:     v[0].Filename,
+			MimeType: v[0].Header.Get("Content-Type"),
+		}
+		return
+	}
+
+	// unnamed array
+	if len(tail) == 1 && tail[0] == "" {
+		d[head] = v
+		return
+	}
+
+	if p, ok := d[head]; !ok {
+		d[head] = make(fileData)
+		d[head].(fileData).pushChunk(tail, v)
+	} else {
+		p.(fileData).pushChunk(tail, v)
+	}
+}