105 lines
2 KiB
Go
105 lines
2 KiB
Go
package activityserve
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import (
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"bufio"
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"io"
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"net/http"
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"os"
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// "net/url"
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"bytes"
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"encoding/json"
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// "time"
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// "fmt"
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"github.com/gologme/log"
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// "github.com/go-fed/httpsig"
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)
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func isSuccess(code int) bool {
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return code == http.StatusOK ||
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code == http.StatusCreated ||
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code == http.StatusAccepted ||
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code == http.StatusNoContent
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}
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//PrettyPrint maps
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func PrettyPrint(themap map[string]interface{}) {
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b, err := json.MarshalIndent(themap, "", " ")
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if err != nil {
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log.Info("error:", err)
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}
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log.Print(string(b))
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}
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//PrettyPrintJSON does what it's name says
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func PrettyPrintJSON(theJSON []byte) {
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dst := new(bytes.Buffer)
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json.Indent(dst, theJSON, "", "\t")
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log.Info(dst)
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}
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// FormatJSON formats json with tabs and
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// returns the new string
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func FormatJSON(theJSON []byte) string {
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dst := new(bytes.Buffer)
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json.Indent(dst, theJSON, "", "\t")
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return dst.String()
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}
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// FormatHeaders to string for printing
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func FormatHeaders(header http.Header) string {
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buf := new(bytes.Buffer)
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header.Write(buf)
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return buf.String()
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}
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func context() [1]string {
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return [1]string{"https://www.w3.org/ns/activitystreams"}
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}
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// ReadLines reads specific lines from a file and returns them as
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// an array of strings
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func ReadLines(filename string, from, to int) (lines []string, err error) {
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lines = make([]string, 0, to-from)
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reader, err := os.Open(filename)
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if err != nil {
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log.Info("could not read file")
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log.Info(err)
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return
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}
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sc := bufio.NewScanner(reader)
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line := 0
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for sc.Scan() {
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line++
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if line >= from && line <= to {
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lines = append(lines, sc.Text())
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}
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}
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return lines, nil
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}
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func lineCounter(filename string) (int, error) {
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r, err := os.Open(filename)
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if err != nil {
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log.Info("could not read file")
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log.Info(err)
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return 0, nil
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}
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buf := make([]byte, 32*1024)
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count := 0
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lineSep := []byte{'\n'}
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for {
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c, err := r.Read(buf)
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count += bytes.Count(buf[:c], lineSep)
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switch {
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case err == io.EOF:
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return count, nil
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case err != nil:
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return count, err
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}
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}
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}
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