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52 lines
1.1 KiB
52 lines
1.1 KiB
package paste
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import(
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"crypto/sha256"
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"fmt"
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"log"
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"os"
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"io/ioutil"
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"errors"
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)
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func Store(title, date, content, dest_dir string) (string, error) {
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h := sha256.New()
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h.Write([]byte(title))
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h.Write([]byte(date))
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h.Write([]byte(content))
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paste := fmt.Sprintf("# Title: %s\n# Date: %s\n%s", title, date, content)
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paste_hash := fmt.Sprintf("%x", h.Sum(nil))
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log.Printf(" `-- hash: %s\n", paste_hash)
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paste_dir := dest_dir + "/"
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// Now we save the file
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for i := 0; i < len(paste_hash)-16; i++ {
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paste_name := paste_hash[i:i+16]
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if _, err := os.Stat(paste_dir + paste_name); os.IsNotExist(err) {
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// The file does not exist, so we can create it
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if err := ioutil.WriteFile(paste_dir + paste_name, []byte(paste), 0644); err == nil {
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// and then we return the URL:
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log.Printf(" `-- saving new paste to : %s", paste_dir + paste_name)
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return paste_name, nil
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} else {
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log.Printf("Cannot create the paste: %s!\n", paste_dir + paste_name)
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}
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}
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}
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return "", errors.New("Cannot store the paste...Sorry!")
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}
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//func Retrieve(URI string) (title, date, content string) {
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//}
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