mirror of
https://github.com/lus/pasty.git
synced 2023-08-10 21:13:09 +03:00
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
package pastes
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import (
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"github.com/alexedwards/argon2id"
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"github.com/bwmarrin/snowflake"
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)
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func init() {
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snowflakeNode, _ = snowflake.NewNode(1)
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}
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// snowflakeNode holds the current snowflake node
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var snowflakeNode *snowflake.Node
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// Paste represents a saved paste
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type Paste struct {
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ID snowflake.ID `json:"id" bson:"_id"`
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Content string `json:"content" bson:"content"`
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SuggestedSyntaxType string `json:"suggestedSyntaxType" bson:"suggestedSyntaxType"`
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DeletionToken string `json:"deletionToken" bson:"deletionToken"`
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}
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// Create creates a new paste object using the given content
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func Create(content string) (*Paste, error) {
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// TODO: Generate the suggested syntax type
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suggestedSyntaxType := ""
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// Generate the deletion token
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deletionToken, err := generateDeletionToken()
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if err != nil {
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return nil, err
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}
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// Return the paste object
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return &Paste{
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ID: snowflakeNode.Generate(),
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Content: content,
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SuggestedSyntaxType: suggestedSyntaxType,
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DeletionToken: deletionToken,
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}, nil
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}
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// HashDeletionToken hashes the current deletion token of a paste
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func (paste *Paste) HashDeletionToken() error {
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hash, err := argon2id.CreateHash(paste.DeletionToken, argon2id.DefaultParams)
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if err != nil {
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return err
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}
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paste.DeletionToken = hash
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return nil
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}
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// CheckDeletionToken checks whether or not the given deletion token is correct
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func (paste *Paste) CheckDeletionToken(deletionToken string) bool {
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match, err := argon2id.ComparePasswordAndHash(deletionToken, paste.DeletionToken)
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return err != nil && match
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}
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