multipartutil

package
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Published: Nov 27, 2020 License: MIT Imports: 15 Imported by: 3

Documentation

Overview

Package multipartutil provides helper functionality for using multipart.Writer. Steps are to call NewMultipartBuilder(), write parts, call builder.Close(), and retrieve Content-Type header from builder.Writer.FormDataContentType().

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewMultipartReaderForHttpResponse

func NewMultipartReaderForHttpResponse(resp *http.Response) (*multipart.Reader, error)

func NewReaderBodyBytes

func NewReaderBodyBytes(body []byte, boundary string) *multipart.Reader

func NewRequest

func NewRequest(method, url string, params url.Values, files []FileInfo) (*http.Request, error)

NewRequest returns a `*http.Request` for making a request using multipart/form-data. It supports simple strings and files. For more complex field requirements such as JSON body parts that require Content-Type headers and Base64 encoding, use MultipartBuilder directly.

Types

type FileInfo

type FileInfo struct {
	MIMEPartName string
	Filepath     string
}

FileInfo represents a file for uploading.

type MultipartBuilder

type MultipartBuilder struct {
	Buffer *bytes.Buffer
	Writer *multipart.Writer
}

MultipartBuilder is a multipart helper.

func NewMultipartBuilder

func NewMultipartBuilder() MultipartBuilder

NewMultipartBuilder instantiates a new MultipartBuilder.

func (*MultipartBuilder) Close

func (builder *MultipartBuilder) Close() error

Close closes the `multipart.Writer`.

func (*MultipartBuilder) ContentType

func (builder *MultipartBuilder) ContentType() string

ContentType returns the content type for the `Content-Type` header.

func (*MultipartBuilder) String

func (builder *MultipartBuilder) String() string

String returns the MIME parts as a string.

func (*MultipartBuilder) WriteFieldAsJSON

func (builder *MultipartBuilder) WriteFieldAsJSON(partName string, data interface{}, base64Encode bool) error

WriteFieldAsJSON adds a JSON part.

func (*MultipartBuilder) WriteFieldString

func (builder *MultipartBuilder) WriteFieldString(partName string, data string) error

WriteFieldString adds a text part.

func (*MultipartBuilder) WriteFileHeader

func (builder *MultipartBuilder) WriteFileHeader(partName string, fileHeader *multipart.FileHeader) error

WriteFileHeader adds a file part given a part name and *multipart.FileHeader. See more at http://sanatgersappa.blogspot.com/2013/03/handling-multiple-file-uploads-in-go.html and https://gist.github.com/sanatgersappa/5127317#file-app-go

func (*MultipartBuilder) WriteFilePath

func (builder *MultipartBuilder) WriteFilePath(partName, srcFilepath string) error

WriteFilePath adds a file part given a filename.

func (*MultipartBuilder) WriteFilePathPlus

func (builder *MultipartBuilder) WriteFilePathPlus(partName, srcFilepath string, base64Encode bool) error

WriteFilepathPlus adds a file part given a filename with the Content Type and other associated headers as needed. After builder.Close() has been called, use like `req, err := http.NewRequest("POST", url, builder.Buffer)`. Content-Disposition uses optional attribute as defined here: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition

func (*MultipartBuilder) WriteFileReader

func (builder *MultipartBuilder) WriteFileReader(partName, filename string, src io.Reader) error

WriteFileReader adds a file part given a filename and `io.Reader`.

func (*MultipartBuilder) WriteURLValues

func (builder *MultipartBuilder) WriteURLValues(params url.Values) error

WriteURLValues writes simple header key value strings using `url.Values` as an input parameter.

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