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https://github.com/opencloud-eu/opencloud.git
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26f7523ff8
In preparation for some more advanced queries pass the parse odata request
tVo the identity backend methods instead of the raw url.Values{}. This also
add some helpers for validating $expand and $search queries to reject
some unsupported queries.
Also remove support for `$select=memberOf` and `$select=drive|drives` queries
and stick to the technically correct `$expand=...`.
42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
package identity
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import "github.com/CiscoM31/godata"
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// GetExpandValues extracts the values of the $expand query parameter and
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// returns them in a []string, rejects any $expand value that consists of more
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// than just a single path segment
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func GetExpandValues(req *godata.GoDataQuery) ([]string, error) {
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if req == nil || req.Expand == nil {
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return []string{}, nil
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}
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expand := make([]string, 0, len(req.Expand.ExpandItems))
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for _, item := range req.Expand.ExpandItems {
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if item.Filter != nil || item.At != nil || item.Search != nil ||
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item.OrderBy != nil || item.Skip != nil || item.Top != nil ||
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item.Select != nil || item.Compute != nil || item.Expand != nil ||
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item.Levels != 0 {
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return []string{}, godata.NotImplementedError("options for $expand not supported")
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}
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if len(item.Path) > 1 {
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return []string{}, godata.NotImplementedError("multiple segments in $expand not supported")
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}
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expand = append(expand, item.Path[0].Value)
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}
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return expand, nil
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}
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// GetSearchValues extracts the value of the $search query parameter and returns
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// it as a string. Rejects any search query that is more than just a simple string
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func GetSearchValues(req *godata.GoDataQuery) (string, error) {
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if req == nil || req.Search == nil {
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return "", nil
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}
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// Only allow simple search queries for now
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if len(req.Search.Tree.Children) != 0 {
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return "", godata.NotImplementedError("complex search queries are not supported")
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}
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return req.Search.Tree.Token.Value, nil
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}
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