Essential Books
Essential Go  Suggest an edit

HTTP server middleware

Id: 296

SOId: 9343

Introduction

In Go Middleware can be used to execute code before and after handler function. It uses the power of Single Function Interfaces. Can be introduced at any time without affecting the other middleware. For Ex: Authentication logging can be added in later stages of development without disturbing the existing code.

Remarks

The Signature of middleware should be (http.ResponseWriter, *http.Request) i.e. of http.handlerFunc type.

HTTP server middleware/
Normal Handler Function
Middleware Calculate time required for handlerFunc to execute
CORS Middleware
Auth Middleware
Recovery Handler to prevent server from crashing
Table Of Contents
1 Getting started
2 Basic types
3 Variables
4 Constants
5 Strings
6 Pointers
7 Arrays
8 Slices
9 Maps
10 Structs
11 Interfaces
12 Empty interface
13 if, switch, goto
14 for, while loops
15 range statement
16 Functions
17 Methods
18 Error handling
19 Defer
20 Panic and recover
21 Concurrency
22 Channels and select
23 Mutex
24 Packages
25 Working with files and I/O
26 Time and date
27 Parsing command line arguments
28 Logging
29 Executing commands
30 hex, base64 encoding
31 JSON
32 XML
33 CSV
34 YAML
35 SQL
36 HTTP Client
37 HTTP Server
38 Text and HTML templates
39 Reflection
40 Context
41 Fmt
42 Memory pooling
43 Testing
44 Sending emails
45 Calling C from GO with cgo
46 Profiling using go tool pprof
47 Cross compilation
48 Build Constraints
49 gob
50 Vendoring
51 Plugin
52 HTTP server middleware
53 Protobuf in Go
54 Console I/O
55 Cryptography
56 JWT Authorization
57 Images
58 Inline Expansion
59 The Go Command
60 Contributors
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