s0rg/crawley

package client

import (
    "log"
    "net/http"
    "strings"
)

const (
    keyvalParts     = 2
    keyvalSeparator = "="
    valuesSeparator = ";"
)

func prepareCookies(raw []string) (rv []*http.Cookie) {
    for _, r := range raw {
        for _, p := range strings.Split(r, valuesSeparator) {
            if p = strings.TrimSpace(p); p == "" {
                continue
            }

            if val, ok := parseOne(p); ok {
                rv = append(rv, val)
            } else {
                log.Printf("cannot parse '%s' as cookie, expected format: 'key=value;' as in curl", r)
            }
        }
    }

    return rv
}

func parseOne(raw string) (rv *http.Cookie, ok bool) {
    pair := strings.SplitN(raw, keyvalSeparator, keyvalParts)
    if len(pair) != keyvalParts {
        return
    }

    var name string

    if name = strings.TrimSpace(pair[0]); name == "" {
        return
    }

    rv = &http.Cookie{
        Name:  name,
        Value: strings.TrimSpace(pair[1]),
    }

    return rv, true
}