Temporary in case i fuck up

This commit is contained in:
Javier Feliz 2024-12-26 18:34:03 -05:00
commit ac022435a4
12 changed files with 687 additions and 0 deletions

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README.md Normal file
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# Oasis
A local development tool for the laravel framework. Inspired by Valet and Herd.
I want to make a tool that also worked on linux, and has some extra features I want.

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fastcgi/client.go Normal file
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package fastcgi
import (
"bufio"
"bytes"
"encoding/binary"
"io"
"net/http"
"net/http/httputil"
"net/textproto"
"strconv"
"strings"
"sync"
)
type FCGIClient struct {
mutex sync.Mutex
rwc io.ReadWriteCloser
h Header
buf bytes.Buffer
keepAlive bool
reqId uint16
}
// Close fcgi connnection
func (client *FCGIClient) Close() {
client.rwc.Close()
}
func (client *FCGIClient) writeRecord(recType FCGIRequestType, content []byte) (err error) {
client.mutex.Lock()
defer client.mutex.Unlock()
client.buf.Reset()
// Initialize the record
header := Header{}
header.init(recType, 1, len(content))
rec := Record{
Header: header,
Content: content,
}
// Write the record to the connection
b, err := rec.toBytes()
_, err = client.rwc.Write(b)
return err
}
func (client *FCGIClient) writeEndRequest(appStatus int, protocolStatus uint8) error {
b := make([]byte, 8)
binary.BigEndian.PutUint32(b, uint32(appStatus))
b[4] = protocolStatus
return client.writeRecord(FCGI_END_REQUEST, b)
}
func (client *FCGIClient) writePairs(recType FCGIRequestType, pairs map[string]string) error {
w := newWriter(client, recType)
b := make([]byte, 8)
nn := 0
for k, v := range pairs {
m := 8 + len(k) + len(v)
if m > maxWrite {
// param data size exceed 65535 bytes"
vl := maxWrite - 8 - len(k)
v = v[:vl]
}
n := encodeSize(b, uint32(len(k)))
n += encodeSize(b[n:], uint32(len(v)))
m = n + len(k) + len(v)
if (nn + m) > maxWrite {
w.Flush()
nn = 0
}
nn += m
if _, err := w.Write(b[:n]); err != nil {
return err
}
if _, err := w.WriteString(k); err != nil {
return err
}
if _, err := w.WriteString(v); err != nil {
return err
}
}
w.Close()
return nil
}
// Do made the request and returns a io.Reader that translates the data read
// from fcgi responder out of fcgi packet before returning it.
func (client *FCGIClient) Do(req *FCGIRequest) (http.Response, error) {
beginRequestRecord := NewBeginRequestRecord()
err := client.writeRecord(beginRequestRecord.Header.Type, beginRequestRecord.Content)
if err != nil {
return http.Response{}, err
}
err = client.writePairs(FCGI_PARAMS, req.Context)
if err != nil {
return http.Response{}, err
}
// body := newWriter(client, FCGI_STDIN)
// if req != nil {
// io.Copy(body, req)
// }
// body.Close()
r := &streamReader{c: client}
rb := bufio.NewReader(r)
tp := textproto.NewReader(rb)
resp := new(http.Response)
// Parse the first line of the response.
line, err := tp.ReadLine()
if err != nil {
if err == io.EOF {
err = io.ErrUnexpectedEOF
}
return http.Response{}, err
}
if i := strings.IndexByte(line, ' '); i == -1 {
err = &badStringError{"malformed HTTP response", line}
} else {
resp.Proto = line[:i]
resp.Status = strings.TrimLeft(line[i+1:], " ")
}
statusCode := resp.Status
if i := strings.IndexByte(resp.Status, ' '); i != -1 {
statusCode = resp.Status[:i]
}
if len(statusCode) != 3 {
err = &badStringError{"malformed HTTP status code", statusCode}
}
resp.StatusCode, err = strconv.Atoi(statusCode)
if err != nil || resp.StatusCode < 0 {
err = &badStringError{"malformed HTTP status code", statusCode}
}
var ok bool
if resp.ProtoMajor, resp.ProtoMinor, ok = http.ParseHTTPVersion(resp.Proto); !ok {
err = &badStringError{"malformed HTTP version", resp.Proto}
}
// Parse the response headers.
mimeHeader, err := tp.ReadMIMEHeader()
if err != nil {
if err == io.EOF {
err = io.ErrUnexpectedEOF
}
return http.Response{}, err
}
resp.Header = http.Header(mimeHeader)
// TODO: fixTransferEncoding ?
resp.TransferEncoding = resp.Header["Transfer-Encoding"]
resp.ContentLength, _ = strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64)
if chunked(resp.TransferEncoding) {
resp.Body = io.NopCloser(httputil.NewChunkedReader(rb))
} else {
resp.Body = io.NopCloser(rb)
}
return *resp, nil
}

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package fastcgi
import (
"bufio"
"encoding/binary"
"fmt"
"io"
"net"
)
type FCGIRequestType uint8
const FCGI_LISTENSOCK_FILENO uint8 = 0
const FCGI_HEADER_LEN uint8 = 8
const VERSION_1 uint8 = 1
const FCGI_NULL_REQUEST_ID uint8 = 0
const FCGI_KEEP_CONN uint8 = 1
const doubleCRLF = "\r\n\r\n"
const (
FCGI_BEGIN_REQUEST FCGIRequestType = iota + 1
FCGI_ABORT_REQUEST
FCGI_END_REQUEST
FCGI_PARAMS
FCGI_STDIN
FCGI_STDOUT
FCGI_STDERR
FCGI_DATA
FCGI_GET_VALUES
FCGI_GET_VALUES_RESULT
FCGI_UNKNOWN_TYPE
FCGI_MAXTYPE = FCGI_UNKNOWN_TYPE
)
const (
FCGI_RESPONDER uint8 = iota + 1
FCGI_AUTHORIZER
FCGI_FILTER
)
const (
FCGI_REQUEST_COMPLETE uint8 = iota
FCGI_CANT_MPX_CONN
FCGI_OVERLOADED
FCGI_UNKNOWN_ROLE
)
const (
FCGI_MAX_CONNS string = "MAX_CONNS"
FCGI_MAX_REQS string = "MAX_REQS"
FCGI_MPXS_CONNS string = "MPXS_CONNS"
)
const (
maxWrite = 65500 // 65530 may work, but for compatibility
maxPad = 255
)
// Connects to the fcgi responder at the specified network address.
// See func net.Dial for a description of the network and address parameters.
func Dial(network, address string) (fcgi *FCGIClient, err error) {
var conn net.Conn
conn, err = net.Dial(network, address)
if err != nil {
return
}
fcgi = &FCGIClient{
rwc: conn,
keepAlive: false,
reqId: 1,
}
return
}
func readSize(s []byte) (uint32, int) {
if len(s) == 0 {
return 0, 0
}
size, n := uint32(s[0]), 1
if size&(1<<7) != 0 {
if len(s) < 4 {
return 0, 0
}
n = 4
size = binary.BigEndian.Uint32(s)
size &^= 1 << 31
}
return size, n
}
func readString(s []byte, size uint32) string {
if size > uint32(len(s)) {
return ""
}
return string(s[:size])
}
func encodeSize(b []byte, size uint32) int {
if size > 127 {
size |= 1 << 31
binary.BigEndian.PutUint32(b, size)
return 4
}
b[0] = byte(size)
return 1
}
// bufWriter encapsulates bufio.Writer but also closes the underlying stream when
// Closed.
type bufWriter struct {
closer io.Closer
*bufio.Writer
}
func (w *bufWriter) Close() error {
if err := w.Writer.Flush(); err != nil {
w.closer.Close()
return err
}
return w.closer.Close()
}
func newWriter(c *FCGIClient, recType FCGIRequestType) *bufWriter {
s := &streamWriter{c: c, recType: recType}
w := bufio.NewWriterSize(s, maxWrite)
return &bufWriter{s, w}
}
type badStringError struct {
what string
str string
}
func (e *badStringError) Error() string { return fmt.Sprintf("%s %q", e.what, e.str) }
// Checks whether chunked is part of the encodings stack
func chunked(te []string) bool { return len(te) > 0 && te[0] == "chunked" }

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package fastcgi
import (
"bytes"
"encoding/binary"
"errors"
"io"
"net/http"
"net/url"
"strconv"
)
// -- TYPES --
// These are the types needed to house the data for an FCGI request
type Header struct {
Version uint8
Type FCGIRequestType
Id uint16
ContentLength uint16
PaddingLength uint8
Reserved uint8
}
func (h *Header) init(reqType FCGIRequestType, reqId uint16, l int) {
h.Version = 1
h.Type = reqType
h.Id = reqId
h.ContentLength = uint16(l)
h.PaddingLength = uint8(-l & 7)
}
// A record is essentially a "packet" in FastCGI.
// The header lets the server know what type
// of data is being sent, and it expects
// a certain structure depending on
// the type. For example, the
// FCGI_BEGIN_REQUEST record should
// have a body of 8 bytes with:
// - The first byte being the role
// - The second byte being also the role
// - The third byte being the flags
// - The last five bytes are reserved for future use
type Record struct {
Header Header
Content []byte
Buffer bytes.Buffer // Buffer to use when writing to the network
ReadBuffer []byte // Buffer to use when reading a response
}
// Turn a record into a byte array so it can be
// sent over the network socket
func (r *Record) toBytes() ([]byte, error) {
// client.h.init(recType, client.reqId, len(content))
if err := binary.Write(&r.Buffer, binary.BigEndian, r.Header); err != nil {
return nil, err
}
if _, err := r.Buffer.Write(r.Content); err != nil {
return nil, err
}
if _, err := r.Buffer.Write(pad[:r.Header.PaddingLength]); err != nil {
return nil, err
}
return r.Buffer.Bytes(), nil
}
func (rec *Record) read(r io.Reader) (buf []byte, err error) {
if err = binary.Read(r, binary.BigEndian, &rec.Header); err != nil {
return
}
if rec.Header.Version != 1 {
err = errors.New("fcgi: invalid header version")
return
}
if rec.Header.Type == FCGI_END_REQUEST {
err = io.EOF
return
}
n := int(rec.Header.ContentLength) + int(rec.Header.PaddingLength)
if len(rec.ReadBuffer) < n {
rec.ReadBuffer = make([]byte, n)
}
if n, err = io.ReadFull(r, rec.ReadBuffer[:n]); err != nil {
return
}
buf = rec.ReadBuffer[:int(rec.Header.ContentLength)]
return
}
// for padding so we don't have to allocate all the time
// not synchronized because we don't care what the contents are
var pad [maxPad]byte
type FCGIRequest struct {
Id uint16
Type FCGIRequestType
Context map[string]string
Records []Record
}
func RequestFromHttp(r *http.Request) *FCGIRequest {
c := FCGIRequest{}
c.Context = make(map[string]string)
c.Context["SERVER_SOFTWARE"] = "oasis / fastcgi"
c.Context["QUERY_STRING"] = r.URL.RawQuery
c.Context["REMOTE_ADDR"] = "127.0.0.1"
return &c
}
func NewBeginRequestRecord() *Record {
role := uint16(FCGI_RESPONDER)
flags := byte(0)
// Create an 8-byte array as per the FastCGI specification.
var b [8]byte
// Split the 16-bit role into two bytes and assign them.
b[0] = byte(role >> 8) // High byte
b[1] = byte(role) // Low byte
// Set the flags.
b[2] = flags
// The reserved bytes (b[3] to b[7]) will remain zero by default.
// Return a begin request record
h := Header{}
h.init(FCGI_BEGIN_REQUEST, 1, len(b))
return &Record{
Header: h,
Content: b[:],
}
}
func (req *FCGIRequest) Script(path string) {
req.Context["SCRIPT_FILENAME"] = path
}
func (req *FCGIRequest) Method(m string) {
req.Context["REQUEST_METHOD"] = m
}
// Get issues a GET request to the fcgi responder.
func (r *FCGIRequest) TypeGet() {
r.Context["REQUEST_METHOD"] = "GET"
r.Context["CONTENT_LENGTH"] = "0"
}
// Get issues a Post request to the fcgi responder. with request body
// in the format that bodyType specified
func (r *FCGIRequest) TypePost(bodyType string, body io.Reader, l int) {
if len(r.Context["REQUEST_METHOD"]) == 0 || r.Context["REQUEST_METHOD"] == "GET" {
r.Context["REQUEST_METHOD"] = "POST"
}
r.Context["CONTENT_LENGTH"] = strconv.Itoa(l)
if len(bodyType) > 0 {
r.Context["CONTENT_TYPE"] = bodyType
} else {
r.Context["CONTENT_TYPE"] = "application/x-www-form-urlencoded"
}
}
// PostForm issues a POST to the fcgi responder, with form
// as a string key to a list values (url.Values)
func (r *FCGIRequest) TypePostForm(data url.Values) {
body := bytes.NewReader([]byte(data.Encode()))
r.TypePost("application/x-www-form-urlencoded", body, body.Len())
}
// PostFile issues a POST to the fcgi responder in multipart(RFC 2046) standard,
// with form as a string key to a list values (url.Values),
// and/or with file as a string key to a list file path.
// func (r *FCGIRequest) PostFile(p map[string]string, data url.Values, file map[string]string) {
// buf := &bytes.Buffer{}
// writer := multipart.NewWriter(buf)
// bodyType := writer.FormDataContentType()
//
// for key, val := range data {
// for _, v0 := range val {
// err = writer.WriteField(key, v0)
// if err != nil {
// return
// }
// }
// }
//
// for key, val := range file {
// fd, e := os.Open(val)
// if e != nil {
// return nil, e
// }
// defer fd.Close()
//
// part, e := writer.CreateFormFile(key, filepath.Base(val))
// if e != nil {
// return nil, e
// }
// _, err = io.Copy(part, fd)
// }
//
// err = writer.Close()
// if err != nil {
// return
// }
//
// // return client.Post(p, bodyType, buf, buf.Len())
// }
// Format the context for sending
// func (r *FCGIRequest) writePairs() error {
// w := newWriter(client, recType)
// b := make([]byte, 8)
// nn := 0
// for k, v := range r.Context {
// m := 8 + len(k) + len(v)
// if m > maxWrite {
// // param data size exceed 65535 bytes"
// vl := maxWrite - 8 - len(k)
// v = v[:vl]
// }
// n := encodeSize(b, uint32(len(k)))
// n += encodeSize(b[n:], uint32(len(v)))
// m = n + len(k) + len(v)
// if (nn + m) > maxWrite {
// w.Flush()
// nn = 0
// }
// nn += m
// if _, err := w.Write(b[:n]); err != nil {
// return err
// }
// if _, err := w.WriteString(k); err != nil {
// return err
// }
// if _, err := w.WriteString(v); err != nil {
// return err
// }
// }
// w.Close()
// return nil
// }

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package fastcgi
type streamReader struct {
c *FCGIClient
buf []byte
}
func (w *streamReader) Read(p []byte) (n int, err error) {
if len(p) > 0 {
if len(w.buf) == 0 {
rec := &Record{}
w.buf, err = rec.read(w.c.rwc)
if err != nil {
return
}
}
n = len(p)
if n > len(w.buf) {
n = len(w.buf)
}
copy(p, w.buf[:n])
w.buf = w.buf[n:]
}
return
}

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package fastcgi
// streamWriter abstracts out the separation of a stream into discrete records.
// It only writes maxWrite bytes at a time.
type streamWriter struct {
c *FCGIClient
recType FCGIRequestType
}
func (w *streamWriter) Write(p []byte) (int, error) {
nn := 0
for len(p) > 0 {
n := len(p)
if n > maxWrite {
n = maxWrite
}
if err := w.c.writeRecord(w.recType, p[:n]); err != nil {
return nn, err
}
nn += n
p = p[n:]
}
return nn, nil
}
func (w *streamWriter) Close() error {
// send empty record to close the stream
return w.c.writeRecord(w.recType, nil)
}

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module github.com/javif89/oasis
go 1.23.4

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<?php
var_dump($_GET);
?>
<h1>Name is: <?php echo $_GET['name'] ?? 'NOT SET' ?></h1>
<h2>SAPI NAME: <?php echo php_sapi_name() ?>
</body>
</html>

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installer/installer.go Normal file
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package installer
// This package handle installing any
// necessary programs we need to run
// the oasis environment such as:
// - Nginx
// - DNSMasq
// It uses the package manager for
// the OS and ensures any config
// files needed go in the right
// place.

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installer/os.go Normal file
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package installer
// Return the correct package manager
// and config paths for the current
// operating system.

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package main
import (
"fmt"
"io"
"log"
"net/http"
"github.com/javif89/oasis/fastcgi"
)
func handleRequest(w http.ResponseWriter, r *http.Request) {
fmt.Println("Request received")
req := fastcgi.RequestFromHttp(r)
req.Script("/home/javi/projects/oasis/index.php")
req.TypeGet()
fcgiClient, err := fastcgi.Dial("unix", "/var/run/php/php8.3-fpm.sock")
if err != nil {
log.Println("err:", err)
}
resp, err := fcgiClient.Do(req)
if err != nil {
log.Println("err:", err)
}
content, err := io.ReadAll(resp.Body)
if err != nil {
log.Println("err:", err)
}
w.Write(content)
}
func main() {
// Server
http.HandleFunc("/", handleRequest)
fmt.Println("Starting server")
err := http.ListenAndServe(":8000", nil)
if err != nil {
log.Fatal(err)
}
}