8235ea9105
This commit adds a safeguard to accessing the still from a specific component by requiring access via the component.GetStill method.
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package instances
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import (
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"errors"
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"path/filepath"
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"strings"
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"github.com/FAU-CDI/wisski-distillery/internal/config"
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"github.com/FAU-CDI/wisski-distillery/internal/config/validators"
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"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
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"github.com/FAU-CDI/wisski-distillery/internal/models"
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"github.com/FAU-CDI/wisski-distillery/internal/wisski"
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)
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var (
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errInvalidSlug = errors.New("not a valid slug")
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errRestrictedSlug = errors.New("restricted slug")
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)
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// Create fills the struct for a new WissKI instance.
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// It validates that slug is a valid name for an instance.
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//
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// It does not perform any checks if the instance already exists, or does the creation in the database.
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func (instances *Instances) Create(slug string, system models.System) (wissKI *wisski.WissKI, err error) {
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// make sure that the slug is valid!
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slug, err = instances.IsValidSlug(slug)
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if err != nil {
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return nil, errInvalidSlug
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}
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wissKI = new(wisski.WissKI)
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instances.use(wissKI)
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wissKI.Liquid.Instance.Slug = slug
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wissKI.Liquid.Instance.FilesystemBase = filepath.Join(instances.Path(), wissKI.Domain())
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wissKI.Liquid.Instance.OwnerEmail = ""
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wissKI.Liquid.Instance.AutoBlindUpdateEnabled = true
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config := component.GetStill(instances).Config
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// sql
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wissKI.Liquid.Instance.SqlDatabase = config.SQL.DataPrefix + slug
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wissKI.Liquid.Instance.SqlUsername = config.SQL.UserPrefix + slug
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wissKI.Liquid.Instance.SqlPassword, err = config.NewPassword()
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if err != nil {
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return nil, err
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}
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// triplestore
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wissKI.Liquid.Instance.GraphDBRepository = config.TS.DataPrefix + slug
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wissKI.Liquid.Instance.GraphDBUsername = config.TS.UserPrefix + slug
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wissKI.Liquid.Instance.GraphDBPassword, err = config.NewPassword()
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if err != nil {
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return nil, err
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}
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// drupal
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wissKI.Liquid.DrupalUsername = "admin" // TODO: Change this!
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wissKI.Liquid.DrupalPassword, err = config.NewPassword()
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if err != nil {
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return nil, err
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}
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// docker image
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wissKI.Liquid.Instance.System = system
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if err != nil {
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return nil, err
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}
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// store the instance in the object and return it!
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return wissKI, nil
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}
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// IsValidSlug checks if slug represents a valid slug for an instance.
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func (instances *Instances) IsValidSlug(slug string) (string, error) {
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// check that it is a slug
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err := validators.ValidateSlug(&slug, "")
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if err != nil {
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return "", errInvalidSlug
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}
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for _, rs := range config.RestrictedSlugs {
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if strings.EqualFold(rs, slug) {
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return "", errRestrictedSlug
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}
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}
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// return the slug
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return slug, nil
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}
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