Only trim the leading slash from the DSN if a host is also available #6790
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Previously the DsnParser unconditionally removed the first character from the path, without verifying that it is actually a slash and that it is dealing with a reasonably well-formed URI. This causes confusing behavior when a malformed URI that survives `parse_url()` is passed to `parse()`, since DsnParser would return the input as the `dbname`, but with the first character missing. This can lead to hard-to-debug situations when the DSN is coming from an environment variable, where quoting characters are accidentally included in the value itself, instead of being interpreted by the tool setting the env, since the `dbname` almost looks like the intended input (but still having the trailing quote). see doctrine#6789
TimWolla
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`normalizeDatabaseUrlPath()` is only ever called if a `host` is available, which means that the path needs to start with a slash. Replace the `if()` by an `assert()` to satisfy Codecov.
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Summary
Previously the DsnParser unconditionally removed the first character from the path, without verifying that it is actually a slash and that it is dealing with a reasonably well-formed URI. This causes confusing behavior when a malformed URI that survives
parse_url()is passed toparse(), since DsnParser would return the input as thedbname, but with the first character missing.This can lead to hard-to-debug situations when the DSN is coming from an environment variable, where quoting characters are accidentally included in the value itself, instead of being interpreted by the tool setting the env, since the
dbnamealmost looks like the intended input (but still having the trailing quote).see #6789