Use go-fsimpl to read from datasources (#1336)

* Use go-fsimpl to read from datasources

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

* trying to fix windows bug

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

* attempts to fix some of the path madness

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

* remove 'HOME' from expected env vars

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

* more tweaks

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

* lint fix

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

---------

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 0 insertions, 62 deletions

diff --git a/data/datasource_http.go b/data/datasource_http.go
deleted file mode 100644
index 23c7dc36..00000000
--- a/data/datasource_http.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package data
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"mime"
-	"net/http"
-	"net/url"
-	"time"
-)
-
-func buildURL(base *url.URL, args ...string) (*url.URL, error) {
-	if len(args) == 0 {
-		return base, nil
-	}
-	p, err := url.Parse(args[0])
-	if err != nil {
-		return nil, fmt.Errorf("bad sub-path %s: %w", args[0], err)
-	}
-	return base.ResolveReference(p), nil
-}
-
-func readHTTP(ctx context.Context, source *Source, args ...string) ([]byte, error) {
-	if source.hc == nil {
-		source.hc = &http.Client{Timeout: time.Second * 5}
-	}
-	u, err := buildURL(source.URL, args...)
-	if err != nil {
-		return nil, err
-	}
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, u.String(), nil)
-	if err != nil {
-		return nil, err
-	}
-	req.Header = source.Header
-	res, err := source.hc.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	body, err := io.ReadAll(res.Body)
-	if err != nil {
-		return nil, err
-	}
-	err = res.Body.Close()
-	if err != nil {
-		return nil, err
-	}
-	if res.StatusCode != 200 {
-		err := fmt.Errorf("unexpected HTTP status %d on GET from %s: %s", res.StatusCode, source.URL, string(body))
-		return nil, err
-	}
-	ctypeHdr := res.Header.Get("Content-Type")
-	if ctypeHdr != "" {
-		mediatype, _, e := mime.ParseMediaType(ctypeHdr)
-		if e != nil {
-			return nil, e
-		}
-		source.mediaType = mediatype
-	}
-	return body, nil
-}